Package: python-certbot Version: 0.10.2-1~bpo8+1 Severity: important Dear Maintainer,
Some certbot users reported errors after installing from jessie-backports: $ certbot --help Traceback (most recent call last): File "/usr/bin/certbot", line 6, in <module> from pkg_resources import load_entry_point File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3019, in <module> @_call_aside File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3003, in _call_aside f(*args, **kwargs) File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3032, in _initialize_master_working_set working_set = WorkingSet._build_master() File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 655, in _build_master ws.require(__requires__) File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 963, in require needed = self.resolve(parse_requirements(requirements)) File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 849, in resolve raise DistributionNotFound(req, requirers) pkg_resources.DistributionNotFound: The 'ndg-httpsclient; extra == "security"' distribution was not found and is required by requests I noticed that python-requests recommends python-ndg-httpsclient but neither it nor any certbot package explicitly depends on it. However certbot appears to be completely unusable without it. I was able to reproduce these errors by installing with: sudo apt install certbot -t jessie-backports --no-install-recommends -- System Information: Debian Release: 8.7 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores) Locale: LANG=en_IE.utf8, LC_CTYPE=en_IE.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages python-certbot depends on: ii python-acme 0.10.2-1~bpo8+1 ii python-configargparse 0.11.0-1~bpo8+1 ii python-configobj 5.0.6-1 ii python-cryptography 1.3.4-1~bpo8+2 ii python-mock 1.0.1-3 ii python-openssl 16.0.0-1~bpo8+1 ii python-parsedatetime 1.4-1 ii python-requests 2.11.1-1~bpo8+1 ii python-rfc3339 1.0-4~bpo8+1 ii python-setuptools 33.1.1-1~bpo8+1 ii python-six 1.8.0-1 ii python-tz 2012c+dfsg-0.1 ii python-zope.component 4.2.1-2 ii python-zope.interface 4.1.1-3.1 pn python:any <none> Versions of packages python-certbot recommends: ii certbot 0.10.2-1~bpo8+1 pn python-psutil <none> Versions of packages python-certbot suggests: pn python-certbot-doc <none> -- no debconf information