Comment 2 for bug 1391625

It seems that python3.4-minimal is the root package whose configuration goes wrong. This is my attempt to run manually:

$ sudo dpkg --configure python3.4-minimal
Setting up python3.4-minimal (3.4.2-1) ...
Traceback (most recent call last):
  File "/usr/lib/python3.4/py_compile.py", line 185, in <module>
    sys.exit(main())
  File "/usr/lib/python3.4/py_compile.py", line 177, in main
    compile(filename, doraise=True)
  File "/usr/lib/python3.4/py_compile.py", line 142, in compile
    importlib._bootstrap._write_atomic(cfile, bytecode, mode)
  File "<frozen importlib._bootstrap>", line 112, in _write_atomic
PermissionError: [Errno 1] Operation not permitted: '/usr/lib/python3.4/__pycache__/_threading_local.cpython-34.pyc.3072827024' -> '/usr/lib/python3.4/__pycache__/_threading_local.cpython-34.pyc'
dpkg: error processing package python3.4-minimal (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 python3.4-minimal