Bug#918788: ImportError: No module named backports.functools_lru_cache

Control: tag -1 +unreproducible +moreinfo > Package: python-backports.functools_lru_cache > Version: 1.5-1 > -- System Information: > Debian Release: 9.5 > APT prefers stable > APT policy: (900, 'stable'), (500, 'stable-updates') > Architecture: amd64 (x86_64) Hrm. Given version 1.5-1 is not

Bug#918788: ImportError: No module named backports.functools_lru_cache

Package: python-backports.functools_lru_cache Version: 1.5-1 Severity: important Dear Maintainer, When trying to use matplotlib (python2 version), we have got this error message >>> import matplotlib Traceback (most recent call last): File "", line 1, in File "/usr/lib/python2.7/dist-packag