[Bug 1822564] Re: package python-markdown 2.4-1 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1

[Andreas Hasenack]

Thanks for taking the time to file this bug in Ubuntu.

I see this in the logs:
Preparing to unpack .../python-markdown_2.4-1ubuntu0.14.04.1_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

That is an error that happens when python3 runs that particular
construct that was allowed in python 2. For example:

andreas at nsnx:~$ cat foo.py
try:
    print("Hello")
except Exception, e:
    print("Oops")
andreas at nsnx:~$ python2 ./foo.py 
Hello
andreas at nsnx:~$ python3 ./foo.py 
  File "./foo.py", line 3
    except Exception, e:
                    ^
SyntaxError: invalid syntax
andreas at nsnx:~$ 

Seeing that you are on ubuntu trusty, quite old, I wonder if you
installed python3 by hand and made it default in your system?

What does /usr/bin/python --version return?

Does pyclean run from the shell? Like:
pyclean --help


** Changed in: python-markdown (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1822564

Title:
  package python-markdown 2.4-1 failed to install/upgrade: subprocess
  new pre-removal script returned error exit status 1

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