package:base-files:9.6ubuntu5
Preparing to unpack .../05-python-pkg-resources_33.1.1-1_all.deb ...
  File "/usr/bin/pyclean", line 63
    except (IOError, OSError), e:
                             ^
SyntaxError: invalid syntax
dpkg: warning: subprocess old pre-removal script returned error exit status 1
dpkg: trying script from the new package instead ...
  File "/usr/bin/pyclean", line 63
    except (IOError, OSError), e:
                             ^
SyntaxError: invalid syntax
dpkg: error processing archive /tmp/apt-dpkg-install-6B9urn/05-python-pkg-resources_33.1.1-1_all.deb (--unpack):
 subprocess new pre-removal script returned error exit status 1