package:python-lockfile:1:0.12.2-1
Preparing to unpack .../python-lockfile_1%3a0.12.2-1_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 /var/cache/apt/archives/python-lockfile_1%3a0.12.2-1_all.deb (--unpack):
 subprocess new pre-removal script returned error exit status 1