Ubuntu
python3.5 package

  1. Bug #1682934
  2. Comment #10

Comment 10 for bug 1682934

Revision history for this message
Brian Murray (brian-murray) wrote : Re: package python3 3.5.1-4 failed to install/upgrade: pre-dependency problem - not installing python3

I tested installing python3 using the instructions at https://passingcuriosity.com/2015/installing-python-from-source/ and sure enough I received the same Traceback.

Setting up python3.5-minimal (3.5.3-1) ...
Traceback (most recent call last):
  File "/usr/lib/python3.5/py_compile.py", line 6, in <module>
    import importlib._bootstrap_external
  File "/usr/lib/python3.5/importlib/__init__.py", line 57, in <module>
    import types
  File "/usr/lib/python3.5/types.py", line 166, in <module>
    import functools as _functools
  File "/usr/lib/python3.5/functools.py", line 23, in <module>
    from weakref import WeakKeyDictionary
  File "/usr/lib/python3.5/weakref.py", line 12, in <module>
    from _weakref import (
ImportError: cannot import name '_remove_dead_weakref'
dpkg: error processing package python3.5-minimal (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of python3-minimal:
 python3-minimal depends on python3.5-minimal (>= 3.5.3-1~); however:
  Package python3.5-minimal is not configured yet.

dpkg: error processing package python3-minimal (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          Errors were encountered while processing:
 python3.5-minimal
 python3-minimal

Once I removed /usr/local/bin/python3.5 I was then able to fix the upgrade via 'sudo apt-get -f install'.