Here is the complete output while trying to install python3 in a bionic environment (debootstrap).
# apt-get install python3 Reading package lists... Done Building dependency tree... Done The following additional packages will be installed: adduser apt apt-utils bzip2 ca-certificates debconf debconf-i18n dpkg file gcc-8-base gpgv libacl1 libapt-inst2.0 libapt-pkg5.0 libattr1 libaudit-common libaudit1 libbz2-1.0 libc6 libcap-ng0 libdb5.3 libexpat1 libffi6 libgcc1 libgcrypt20 libgmp10 libgnutls30 libgpg-error0 libgpm2 libhogweed4 libidn2-0 liblocale-gettext-perl liblz4-1 liblzma5 libmagic-mgc libmagic1 libmpdec2 libncursesw5 libnettle6 libp11-kit0 libpam-modules libpam-modules-bin libpam0g libpcre3 libpython3-stdlib libpython3.6-minimal libpython3.6-stdlib libreadline7 libseccomp2 libselinux1 libsemanage-common libsemanage1 libsepol1 libsqlite3-0 libssl1.1 libstdc++6 libtasn1-6 libtext-charwidth-perl libtext-iconv-perl libtext-wrapi18n-perl libtinfo5 libudev1 libunistring2 mime-support openssl passwd perl-base python3-minimal python3.6 python3.6-minimal readline-common tar ubuntu-keyring update-motd xz-utils zlib1g Suggested packages: perl ecryptfs-utils apt-doc aptitude | synaptic | wajig dpkg-dev gnupg | gnupg2 | gnupg1 powermgmt-base bzip2-doc debconf-doc debconf-utils whiptail | dialog libterm-readline-gnu-perl libgtk3-perl libnet-ldap-perl libqtgui4-perl libqtcore4-perl debsig-verify gnupg glibc-doc locales rng-tools gnutls-bin gpm libpam-doc python3-doc python3-tk python3-venv python3.6-venv python3.6-doc binutils binfmt-support readline-doc ncompress tar-scripts tar-doc The following NEW packages will be installed: adduser apt apt-utils bzip2 ca-certificates debconf debconf-i18n dpkg file gcc-8-base gpgv libacl1 libapt-inst2.0 libapt-pkg5.0 libattr1 libaudit-common libaudit1 libbz2-1.0 libc6 libcap-ng0 libdb5.3 libexpat1 libffi6 libgcc1 libgcrypt20 libgmp10 libgnutls30 libgpg-error0 libgpm2 libhogweed4 libidn2-0 liblocale-gettext-perl liblz4-1 liblzma5 libmagic-mgc libmagic1 libmpdec2 libncursesw5 libnettle6 libp11-kit0 libpam-modules libpam-modules-bin libpam0g libpcre3 libpython3-stdlib libpython3.6-minimal libpython3.6-stdlib libreadline7 libseccomp2 libselinux1 libsemanage-common libsemanage1 libsepol1 libsqlite3-0 libssl1.1 libstdc++6 libtasn1-6 libtext-charwidth-perl libtext-iconv-perl libtext-wrapi18n-perl libtinfo5 libudev1 libunistring2 mime-support openssl passwd perl-base python3 python3-minimal python3.6 python3.6-minimal readline-common tar ubuntu-keyring update-motd xz-utils zlib1g 0 upgraded, 77 newly installed, 0 to remove and 0 not upgraded. Need to get 21.3 MB of archives. After this operation, 94.3 MB of additional disk space will be used. Do you want to continue? [Y/n] y Get:1 http://debian.lth.se/ubuntu bionic/main amd64 gcc-8-base amd64 8-20180408-0ubuntu1 [18.1 kB] Get:2 http://debian.lth.se/ubuntu bionic/main amd64 libc6 amd64 2.27-0ubuntu3 [2823 kB] Get:3 http://debian.lth.se/ubuntu bionic/main amd64 libgcc1 amd64 1:8-20180408-0ubuntu1 [40.9 kB] Get:4 http://debian.lth.se/ubuntu bionic/main amd64 libbz2-1.0 amd64 1.0.6-8.1 [30.9 kB] Get:5 http://debian.lth.se/ubuntu bionic/main amd64 liblzma5 amd64 5.2.2-1.3 [90.8 kB] Get:6 http://debian.lth.se/ubuntu bionic/main amd64 libpcre3 amd64 2:8.39-9 [229 kB] Get:7 http://debian.lth.se/ubuntu bionic/main amd64 libselinux1 amd64 2.7-2build2 [68.2 kB] Get:8 http://debian.lth.se/ubuntu bionic/main amd64 zlib1g amd64 1:1.2.11.dfsg-0ubuntu2 [56.5 kB] Get:9 http://debian.lth.se/ubuntu bionic/main amd64 libattr1 amd64 1:2.4.47-2build1 [9524 B] Get:10 http://debian.lth.se/ubuntu bionic/main amd64 libacl1 amd64 2.2.52-3build1 [16.1 kB] Get:11 http://debian.lth.se/ubuntu bionic/main amd64 tar amd64 1.29b-2 [233 kB] Get:12 http://debian.lth.se/ubuntu bionic/main amd64 dpkg amd64 1.19.0.5ubuntu1 [1140 kB] Get:13 http://debian.lth.se/ubuntu bionic/main amd64 perl-base amd64 5.26.1-5 [1390 kB] Get:14 http://debian.lth.se/ubuntu bionic/main amd64 libaudit-common all 1:2.8.2-1ubuntu1 [4132 B] Get:15 http://debian.lth.se/ubuntu bionic/main amd64 libcap-ng0 amd64 0.7.7-3.1 [11.1 kB] Get:16 http://debian.lth.se/ubuntu bionic/main amd64 libaudit1 amd64 1:2.8.2-1ubuntu1 [38.9 kB] Get:17 http://debian.lth.se/ubuntu bionic/main amd64 debconf all 1.5.66 [124 kB] Get:18 http://debian.lth.se/ubuntu bionic/main amd64 libpam0g amd64 1.1.8-3.6ubuntu2 [55.1 kB] Get:19 http://debian.lth.se/ubuntu bionic/main amd64 libsemanage-common all 2.7-2build2 [6904 B] Get:20 http://debian.lth.se/ubuntu bionic/main amd64 libsepol1 amd64 2.7-1 [251 kB] Get:21 http://debian.lth.se/ubuntu bionic/main amd64 libsemanage1 amd64 2.7-2build2 [84.6 kB] Get:22 http://debian.lth.se/ubuntu bionic/main amd64 libdb5.3 amd64 5.3.28-13.1 [672 kB] Get:23 http://debian.lth.se/ubuntu bionic/main amd64 libpam-modules-bin amd64 1.1.8-3.6ubuntu2 [36.7 kB] Get:24 http://debian.lth.se/ubuntu bionic/main amd64 libpam-modules amd64 1.1.8-3.6ubuntu2 [242 kB] Get:25 http://debian.lth.se/ubuntu bionic/main amd64 passwd amd64 1:4.5-1ubuntu1 [816 kB] Get:26 http://debian.lth.se/ubuntu bionic/main amd64 adduser all 3.116ubuntu1 [163 kB] Get:27 http://debian.lth.se/ubuntu bionic/main amd64 libgpg-error0 amd64 1.27-6 [38.0 kB] Get:28 http://debian.lth.se/ubuntu bionic/main amd64 libgcrypt20 amd64 1.8.1-4ubuntu1 [418 kB] Get:29 http://debian.lth.se/ubuntu bionic/main amd64 gpgv amd64 2.2.4-1ubuntu1 [196 kB] Get:30 http://debian.lth.se/ubuntu bionic/main amd64 ubuntu-keyring all 2018.02.28 [20.7 kB] Get:31 http://debian.lth.se/ubuntu bionic/main amd64 liblz4-1 amd64 0.0~r131-2ubuntu3 [48.1 kB] Get:32 http://debian.lth.se/ubuntu bionic/main amd64 libstdc++6 amd64 8-20180408-0ubuntu1 [399 kB] Get:33 http://debian.lth.se/ubuntu bionic/main amd64 libudev1 amd64 237-3ubuntu7 [53.7 kB] Get:34 http://debian.lth.se/ubuntu bionic/main amd64 libapt-pkg5.0 amd64 1.6~beta1 [799 kB] Get:35 http://debian.lth.se/ubuntu bionic/main amd64 libgmp10 amd64 2:6.1.2+dfsg-2 [240 kB] Get:36 http://debian.lth.se/ubuntu bionic/main amd64 libnettle6 amd64 3.4-1 [109 kB] Get:37 http://debian.lth.se/ubuntu bionic/main amd64 libhogweed4 amd64 3.4-1 [137 kB] Get:38 http://debian.lth.se/ubuntu bionic/main amd64 libunistring2 amd64 0.9.9-0ubuntu1 [369 kB] Get:39 http://debian.lth.se/ubuntu bionic/main amd64 libidn2-0 amd64 2.0.4-1.1build2 [48.2 kB] Get:40 http://debian.lth.se/ubuntu bionic/main amd64 libffi6 amd64 3.2.1-8 [17.9 kB] Get:41 http://debian.lth.se/ubuntu bionic/main amd64 libp11-kit0 amd64 0.23.9-2 [187 kB] Get:42 http://debian.lth.se/ubuntu bionic/main amd64 libtasn1-6 amd64 4.13-2 [36.2 kB] Get:43 http://debian.lth.se/ubuntu bionic/main amd64 libgnutls30 amd64 3.5.18-1ubuntu1 [644 kB] Get:44 http://debian.lth.se/ubuntu bionic/main amd64 libseccomp2 amd64 2.3.1-2.1ubuntu4 [37.6 kB] Get:45 http://debian.lth.se/ubuntu bionic/main amd64 apt amd64 1.6~beta1 [1153 kB] Get:46 http://debian.lth.se/ubuntu bionic/main amd64 liblocale-gettext-perl amd64 1.07-3build2 [16.6 kB] Get:47 http://debian.lth.se/ubuntu bionic/main amd64 libssl1.1 amd64 1.1.0g-2ubuntu3 [1128 kB] Get:48 http://debian.lth.se/ubuntu bionic/main amd64 libpython3.6-minimal amd64 3.6.5-3 [529 kB] Get:49 http://debian.lth.se/ubuntu bionic/main amd64 libexpat1 amd64 2.2.5-3 [80.2 kB] Get:50 http://debian.lth.se/ubuntu bionic/main amd64 python3.6-minimal amd64 3.6.5-3 [1425 kB] Get:51 http://debian.lth.se/ubuntu bionic/main amd64 python3-minimal amd64 3.6.5-2 [23.9 kB] Get:52 http://debian.lth.se/ubuntu bionic/main amd64 mime-support all 3.60ubuntu1 [30.1 kB] Get:53 http://debian.lth.se/ubuntu bionic/main amd64 libmpdec2 amd64 2.4.2-1 [82.6 kB] Get:54 http://debian.lth.se/ubuntu bionic/main amd64 libtinfo5 amd64 6.1-1ubuntu1 [80.7 kB] Get:55 http://debian.lth.se/ubuntu bionic/main amd64 libncursesw5 amd64 6.1-1ubuntu1 [117 kB] Get:56 http://debian.lth.se/ubuntu bionic/main amd64 readline-common all 7.0-3 [52.9 kB] Get:57 http://debian.lth.se/ubuntu bionic/main amd64 libreadline7 amd64 7.0-3 [124 kB] Get:58 http://debian.lth.se/ubuntu bionic/main amd64 libsqlite3-0 amd64 3.22.0-1 [496 kB] Get:59 http://debian.lth.se/ubuntu bionic/main amd64 libpython3.6-stdlib amd64 3.6.5-3 [1648 kB] Get:60 http://debian.lth.se/ubuntu bionic/main amd64 python3.6 amd64 3.6.5-3 [186 kB] Get:61 http://debian.lth.se/ubuntu bionic/main amd64 libpython3-stdlib amd64 3.6.5-2 [7372 B] Get:62 http://debian.lth.se/ubuntu bionic/main amd64 python3 amd64 3.6.5-2 [8780 B] Get:63 http://debian.lth.se/ubuntu bionic/main amd64 libapt-inst2.0 amd64 1.6~beta1 [55.5 kB] Get:64 http://debian.lth.se/ubuntu bionic/main amd64 apt-utils amd64 1.6~beta1 [208 kB] Get:65 http://debian.lth.se/ubuntu bionic/main amd64 bzip2 amd64 1.0.6-8.1 [33.4 kB] Get:66 http://debian.lth.se/ubuntu bionic/main amd64 openssl amd64 1.1.0g-2ubuntu3 [532 kB] Get:67 http://debian.lth.se/ubuntu bionic/main amd64 ca-certificates all 20170717 [167 kB] Get:68 http://debian.lth.se/ubuntu bionic/main amd64 libtext-iconv-perl amd64 1.7-5build6 [13.0 kB] Get:69 http://debian.lth.se/ubuntu bionic/main amd64 libtext-charwidth-perl amd64 0.04-7.1 [9492 B] Get:70 http://debian.lth.se/ubuntu bionic/main amd64 libtext-wrapi18n-perl all 0.06-7.1 [8204 B] Get:71 http://debian.lth.se/ubuntu bionic/main amd64 debconf-i18n all 1.5.66 [205 kB] Get:72 http://debian.lth.se/ubuntu bionic/main amd64 libmagic-mgc amd64 1:5.32-2 [184 kB] Get:73 http://debian.lth.se/ubuntu bionic/main amd64 libmagic1 amd64 1:5.32-2 [68.5 kB] Get:74 http://debian.lth.se/ubuntu bionic/main amd64 file amd64 1:5.32-2 [22.1 kB] Get:75 http://debian.lth.se/ubuntu bionic/main amd64 xz-utils amd64 5.2.2-1.3 [83.8 kB] Get:76 http://debian.lth.se/ubuntu bionic/main amd64 libgpm2 amd64 1.20.7-5 [15.1 kB] Get:77 http://debian.lth.se/ubuntu bionic/main amd64 update-motd all 3.6-0ubuntu1 [5378 B] Fetched 21.3 MB in 4s (5260 kB/s) Selecting previously unselected package gcc-8-base:amd64. (Reading database ... 21 files and directories currently installed.) Preparing to unpack .../gcc-8-base_8-20180408-0ubuntu1_amd64.deb ... Unpacking gcc-8-base:amd64 (8-20180408-0ubuntu1) ... Setting up gcc-8-base:amd64 (8-20180408-0ubuntu1) ... Selecting previously unselected package libc6:amd64. (Reading database ... 35 files and directories currently installed.) Preparing to unpack .../libc6_2.27-0ubuntu3_amd64.deb ... Unpacking libc6:amd64 (2.27-0ubuntu3) ... Selecting previously unselected package libgcc1:amd64. Preparing to unpack .../libgcc1_1%3a8-20180408-0ubuntu1_amd64.deb ... Unpacking libgcc1:amd64 (1:8-20180408-0ubuntu1) ... Setting up libgcc1:amd64 (1:8-20180408-0ubuntu1) ... Setting up libc6:amd64 (2.27-0ubuntu3) ... Selecting previously unselected package libbz2-1.0:amd64. (Reading database ... 359 files and directories currently installed.) Preparing to unpack .../libbz2-1.0_1.0.6-8.1_amd64.deb ... Unpacking libbz2-1.0:amd64 (1.0.6-8.1) ... 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Unpacking libcap-ng0:amd64 (0.7.7-3.1) ... Setting up libcap-ng0:amd64 (0.7.7-3.1) ... Selecting previously unselected package libaudit1:amd64. (Reading database ... 1348 files and directories currently installed.) Preparing to unpack .../libaudit1_1%3a2.8.2-1ubuntu1_amd64.deb ... Unpacking libaudit1:amd64 (1:2.8.2-1ubuntu1) ... Setting up libaudit1:amd64 (1:2.8.2-1ubuntu1) ... Selecting previously unselected package debconf. (Reading database ... 1353 files and directories currently installed.) Preparing to unpack .../debconf_1.5.66_all.deb ... Unpacking debconf (1.5.66) ... Setting up debconf (1.5.66) ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Selecting previously unselected package libpam0g:amd64. (Reading database ... 1528 files and directories currently installed.) Preparing to unpack .../libpam0g_1.1.8-3.6ubuntu2_amd64.deb ... Unpacking libpam0g:amd64 (1.1.8-3.6ubuntu2) ... Setting up libpam0g:amd64 (1.1.8-3.6ubuntu2) ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Selecting previously unselected package libsemanage-common. (Reading database ... 1543 files and directories currently installed.) Preparing to unpack .../libsemanage-common_2.7-2build2_all.deb ... Unpacking libsemanage-common (2.7-2build2) ... Setting up libsemanage-common (2.7-2build2) ... Selecting previously unselected package libsepol1:amd64. (Reading database ... 1549 files and directories currently installed.) Preparing to unpack .../libsepol1_2.7-1_amd64.deb ... Unpacking libsepol1:amd64 (2.7-1) ... Setting up libsepol1:amd64 (2.7-1) ... Selecting previously unselected package libsemanage1:amd64. 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Preparing to unpack .../libpam-modules_1.1.8-3.6ubuntu2_amd64.deb ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Unpacking libpam-modules:amd64 (1.1.8-3.6ubuntu2) ... Setting up libpam-modules:amd64 (1.1.8-3.6ubuntu2) ... Selecting previously unselected package passwd. (Reading database ... 1696 files and directories currently installed.) Preparing to unpack .../passwd_1%3a4.5-1ubuntu1_amd64.deb ... Unpacking passwd (1:4.5-1ubuntu1) ... Setting up passwd (1:4.5-1ubuntu1) ... Shadow passwords are now on. Selecting previously unselected package adduser. (Reading database ... 2060 files and directories currently installed.) Preparing to unpack .../adduser_3.116ubuntu1_all.deb ... Unpacking adduser (3.116ubuntu1) ... Setting up adduser (3.116ubuntu1) ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Selecting previously unselected package libgpg-error0:amd64. (Reading database ... 2152 files and directories currently installed.) Preparing to unpack .../libgpg-error0_1.27-6_amd64.deb ... Unpacking libgpg-error0:amd64 (1.27-6) ... Setting up libgpg-error0:amd64 (1.27-6) ... Selecting previously unselected package libgcrypt20:amd64. (Reading database ... 2158 files and directories currently installed.) Preparing to unpack .../libgcrypt20_1.8.1-4ubuntu1_amd64.deb ... Unpacking libgcrypt20:amd64 (1.8.1-4ubuntu1) ... Setting up libgcrypt20:amd64 (1.8.1-4ubuntu1) ... Selecting previously unselected package gpgv. (Reading database ... 2167 files and directories currently installed.) 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Setting up libstdc++6:amd64 (8-20180408-0ubuntu1) ... Selecting previously unselected package libudev1:amd64. (Reading database ... 2207 files and directories currently installed.) Preparing to unpack .../libudev1_237-3ubuntu7_amd64.deb ... Unpacking libudev1:amd64 (237-3ubuntu7) ... Setting up libudev1:amd64 (237-3ubuntu7) ... Selecting previously unselected package libapt-pkg5.0:amd64. (Reading database ... 2212 files and directories currently installed.) Preparing to unpack .../libapt-pkg5.0_1.6~beta1_amd64.deb ... Unpacking libapt-pkg5.0:amd64 (1.6~beta1) ... Setting up libapt-pkg5.0:amd64 (1.6~beta1) ... Selecting previously unselected package libgmp10:amd64. (Reading database ... 2273 files and directories currently installed.) Preparing to unpack .../libgmp10_2%3a6.1.2+dfsg-2_amd64.deb ... Unpacking libgmp10:amd64 (2:6.1.2+dfsg-2) ... Setting up libgmp10:amd64 (2:6.1.2+dfsg-2) ... Selecting previously unselected package libnettle6:amd64. (Reading database ... 2279 files and directories currently installed.) Preparing to unpack .../libnettle6_3.4-1_amd64.deb ... Unpacking libnettle6:amd64 (3.4-1) ... Setting up libnettle6:amd64 (3.4-1) ... Selecting previously unselected package libhogweed4:amd64. (Reading database ... 2286 files and directories currently installed.) Preparing to unpack .../libhogweed4_3.4-1_amd64.deb ... Unpacking libhogweed4:amd64 (3.4-1) ... Setting up libhogweed4:amd64 (3.4-1) ... Selecting previously unselected package libunistring2:amd64. (Reading database ... 2289 files and directories currently installed.) Preparing to unpack .../libunistring2_0.9.9-0ubuntu1_amd64.deb ... Unpacking libunistring2:amd64 (0.9.9-0ubuntu1) ... Setting up libunistring2:amd64 (0.9.9-0ubuntu1) ... Selecting previously unselected package libidn2-0:amd64. (Reading database ... 2294 files and directories currently installed.) Preparing to unpack .../libidn2-0_2.0.4-1.1build2_amd64.deb ... Unpacking libidn2-0:amd64 (2.0.4-1.1build2) ... Setting up libidn2-0:amd64 (2.0.4-1.1build2) ... Selecting previously unselected package libffi6:amd64. (Reading database ... 2303 files and directories currently installed.) Preparing to unpack .../libffi6_3.2.1-8_amd64.deb ... Unpacking libffi6:amd64 (3.2.1-8) ... Setting up libffi6:amd64 (3.2.1-8) ... Selecting previously unselected package libp11-kit0:amd64. (Reading database ... 2308 files and directories currently installed.) Preparing to unpack .../libp11-kit0_0.23.9-2_amd64.deb ... Unpacking libp11-kit0:amd64 (0.23.9-2) ... Setting up libp11-kit0:amd64 (0.23.9-2) ... Selecting previously unselected package libtasn1-6:amd64. (Reading database ... 2315 files and directories currently installed.) Preparing to unpack .../libtasn1-6_4.13-2_amd64.deb ... Unpacking libtasn1-6:amd64 (4.13-2) ... Setting up libtasn1-6:amd64 (4.13-2) ... Selecting previously unselected package libgnutls30:amd64. (Reading database ... 2323 files and directories currently installed.) Preparing to unpack .../libgnutls30_3.5.18-1ubuntu1_amd64.deb ... Unpacking libgnutls30:amd64 (3.5.18-1ubuntu1) ... Setting up libgnutls30:amd64 (3.5.18-1ubuntu1) ... Selecting previously unselected package libseccomp2:amd64. (Reading database ... 2334 files and directories currently installed.) Preparing to unpack .../libseccomp2_2.3.1-2.1ubuntu4_amd64.deb ... Unpacking libseccomp2:amd64 (2.3.1-2.1ubuntu4) ... Setting up libseccomp2:amd64 (2.3.1-2.1ubuntu4) ... Selecting previously unselected package apt. (Reading database ... 2339 files and directories currently installed.) Preparing to unpack .../apt_1.6~beta1_amd64.deb ... Unpacking apt (1.6~beta1) ... Setting up apt (1.6~beta1) ... Configuration file '/etc/apt/apt.conf.d/01autoremove' ==> File on system created by you or by a script. ==> File also in package provided by package maintainer. What would you like to do about it ? Your options are: Y or I : install the package maintainer's version N or O : keep your currently-installed version D : show the differences between the versions Z : start a shell to examine the situation The default action is to keep your current version. *** 01autoremove (Y/I/N/O/D/Z) [default=N] ? n Selecting previously unselected package liblocale-gettext-perl. (Reading database ... 2547 files and directories currently installed.) Preparing to unpack .../liblocale-gettext-perl_1.07-3build2_amd64.deb ... Unpacking liblocale-gettext-perl (1.07-3build2) ... Selecting previously unselected package libssl1.1:amd64. Preparing to unpack .../libssl1.1_1.1.0g-2ubuntu3_amd64.deb ... Unpacking libssl1.1:amd64 (1.1.0g-2ubuntu3) ... Selecting previously unselected package libpython3.6-minimal:amd64. Preparing to unpack .../libpython3.6-minimal_3.6.5-3_amd64.deb ... Unpacking libpython3.6-minimal:amd64 (3.6.5-3) ... Selecting previously unselected package libexpat1:amd64. Preparing to unpack .../libexpat1_2.2.5-3_amd64.deb ... Unpacking libexpat1:amd64 (2.2.5-3) ... Selecting previously unselected package python3.6-minimal. Preparing to unpack .../python3.6-minimal_3.6.5-3_amd64.deb ... Unpacking python3.6-minimal (3.6.5-3) ... Selecting previously unselected package python3-minimal. Preparing to unpack .../python3-minimal_3.6.5-2_amd64.deb ... Unpacking python3-minimal (3.6.5-2) ... Selecting previously unselected package mime-support. Preparing to unpack .../mime-support_3.60ubuntu1_all.deb ... Unpacking mime-support (3.60ubuntu1) ... Selecting previously unselected package libmpdec2:amd64. Preparing to unpack .../libmpdec2_2.4.2-1_amd64.deb ... Unpacking libmpdec2:amd64 (2.4.2-1) ... Selecting previously unselected package libtinfo5:amd64. Preparing to unpack .../libtinfo5_6.1-1ubuntu1_amd64.deb ... Unpacking libtinfo5:amd64 (6.1-1ubuntu1) ... Selecting previously unselected package libncursesw5:amd64. Preparing to unpack .../libncursesw5_6.1-1ubuntu1_amd64.deb ... Unpacking libncursesw5:amd64 (6.1-1ubuntu1) ... Selecting previously unselected package readline-common. Preparing to unpack .../readline-common_7.0-3_all.deb ... Unpacking readline-common (7.0-3) ... Selecting previously unselected package libreadline7:amd64. Preparing to unpack .../libreadline7_7.0-3_amd64.deb ... Unpacking libreadline7:amd64 (7.0-3) ... Selecting previously unselected package libsqlite3-0:amd64. Preparing to unpack .../libsqlite3-0_3.22.0-1_amd64.deb ... Unpacking libsqlite3-0:amd64 (3.22.0-1) ... Selecting previously unselected package libpython3.6-stdlib:amd64. Preparing to unpack .../libpython3.6-stdlib_3.6.5-3_amd64.deb ... Unpacking libpython3.6-stdlib:amd64 (3.6.5-3) ... Selecting previously unselected package python3.6. Preparing to unpack .../python3.6_3.6.5-3_amd64.deb ... Unpacking python3.6 (3.6.5-3) ... Selecting previously unselected package libpython3-stdlib:amd64. Preparing to unpack .../libpython3-stdlib_3.6.5-2_amd64.deb ... Unpacking libpython3-stdlib:amd64 (3.6.5-2) ... Setting up libssl1.1:amd64 (1.1.0g-2ubuntu3) ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Setting up libpython3.6-minimal:amd64 (3.6.5-3) ... Setting up libexpat1:amd64 (2.2.5-3) ... Setting up python3.6-minimal (3.6.5-3) ... Setting up python3-minimal (3.6.5-2) ... Selecting previously unselected package python3. (Reading database ... 3290 files and directories currently installed.) Preparing to unpack .../python3_3.6.5-2_amd64.deb ... Unpacking python3 (3.6.5-2) ... Selecting previously unselected package libapt-inst2.0:amd64. Preparing to unpack .../libapt-inst2.0_1.6~beta1_amd64.deb ... Unpacking libapt-inst2.0:amd64 (1.6~beta1) ... Selecting previously unselected package apt-utils. Preparing to unpack .../apt-utils_1.6~beta1_amd64.deb ... Unpacking apt-utils (1.6~beta1) ... Selecting previously unselected package bzip2. Preparing to unpack .../bzip2_1.0.6-8.1_amd64.deb ... Unpacking bzip2 (1.0.6-8.1) ... Selecting previously unselected package openssl. Preparing to unpack .../openssl_1.1.0g-2ubuntu3_amd64.deb ... Unpacking openssl (1.1.0g-2ubuntu3) ... Selecting previously unselected package ca-certificates. Preparing to unpack .../ca-certificates_20170717_all.deb ... Unpacking ca-certificates (20170717) ... Selecting previously unselected package libtext-iconv-perl. Preparing to unpack .../libtext-iconv-perl_1.7-5build6_amd64.deb ... Unpacking libtext-iconv-perl (1.7-5build6) ... Selecting previously unselected package libtext-charwidth-perl. Preparing to unpack .../libtext-charwidth-perl_0.04-7.1_amd64.deb ... Unpacking libtext-charwidth-perl (0.04-7.1) ... Selecting previously unselected package libtext-wrapi18n-perl. Preparing to unpack .../libtext-wrapi18n-perl_0.06-7.1_all.deb ... Unpacking libtext-wrapi18n-perl (0.06-7.1) ... Selecting previously unselected package debconf-i18n. Preparing to unpack .../debconf-i18n_1.5.66_all.deb ... Unpacking debconf-i18n (1.5.66) ... Selecting previously unselected package libmagic-mgc. Preparing to unpack .../libmagic-mgc_1%3a5.32-2_amd64.deb ... Unpacking libmagic-mgc (1:5.32-2) ... Selecting previously unselected package libmagic1:amd64. Preparing to unpack .../libmagic1_1%3a5.32-2_amd64.deb ... Unpacking libmagic1:amd64 (1:5.32-2) ... Selecting previously unselected package file. Preparing to unpack .../file_1%3a5.32-2_amd64.deb ... Unpacking file (1:5.32-2) ... Selecting previously unselected package xz-utils. Preparing to unpack .../xz-utils_5.2.2-1.3_amd64.deb ... Unpacking xz-utils (5.2.2-1.3) ... Selecting previously unselected package libgpm2:amd64. Preparing to unpack .../libgpm2_1.20.7-5_amd64.deb ... Unpacking libgpm2:amd64 (1.20.7-5) ... Selecting previously unselected package update-motd. Preparing to unpack .../update-motd_3.6-0ubuntu1_all.deb ... Unpacking update-motd (3.6-0ubuntu1) ... Setting up readline-common (7.0-3) ... Setting up libtinfo5:amd64 (6.1-1ubuntu1) ... Setting up libapt-inst2.0:amd64 (1.6~beta1) ... Setting up mime-support (3.60ubuntu1) ... Setting up libncursesw5:amd64 (6.1-1ubuntu1) ... Setting up libgpm2:amd64 (1.20.7-5) ... Setting up update-motd (3.6-0ubuntu1) ... Setting up apt-utils (1.6~beta1) ... Setting up libreadline7:amd64 (7.0-3) ... Setting up libmagic-mgc (1:5.32-2) ... Setting up bzip2 (1.0.6-8.1) ... Setting up libmagic1:amd64 (1:5.32-2) ... Setting up xz-utils (5.2.2-1.3) ... Setting up libtext-iconv-perl (1.7-5build6) ... Setting up openssl (1.1.0g-2ubuntu3) ... Setting up libsqlite3-0:amd64 (3.22.0-1) ... Setting up liblocale-gettext-perl (1.07-3build2) ... Setting up libtext-charwidth-perl (0.04-7.1) ... Setting up ca-certificates (20170717) ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_MESSAGES to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: No such file or directory Updating certificates in /etc/ssl/certs... 0 added, 0 removed; done. Setting up libmpdec2:amd64 (2.4.2-1) ... Setting up libpython3.6-stdlib:amd64 (3.6.5-3) ... Setting up python3.6 (3.6.5-3) ... Setting up file (1:5.32-2) ... Setting up libtext-wrapi18n-perl (0.06-7.1) ... Setting up libpython3-stdlib:amd64 (3.6.5-2) ... Setting up python3 (3.6.5-2) ... running python rtupdate hooks for python3.6... dpkg-query: package 'dh-python' is not installed Use dpkg --info (= dpkg-deb --info) to examine archive files, and dpkg --contents (= dpkg-deb --contents) to list their contents. Traceback (most recent call last): File "/usr/bin/py3clean", line 210, in <module> main() File "/usr/bin/py3clean", line 196, in main pfiles = set(dpf.from_package(options.package)) File "/usr/share/python3/debpython/files.py", line 53, in from_package raise Exception("cannot get content of %s" % package_name) Exception: cannot get content of dh-python error running python rtupdate hook dh-python dpkg: error processing package python3 (--configure): installed python3 package post-installation script subprocess returned error exit status 4 Setting up debconf-i18n (1.5.66) ... Processing triggers for ca-certificates (20170717) ... Updating certificates in /etc/ssl/certs... 0 added, 0 removed; done. Running hooks in /etc/ca-certificates/update.d... done. Errors were encountered while processing: python3 E: Sub-process /usr/bin/dpkg returned an error code (1) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762630 Title: Why does not python3 depend on dh-python? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python3-defaults/+bug/1762630/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
