[Bug 1826686] Re: Problem with apt-get before upgrading to Python 3.7

[Colin Watson]

** Project changed: launchpad => command-not-found (Ubuntu)

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Title:
  Problem with apt-get before upgrading to Python 3.7

Status in command-not-found package in Ubuntu:
  New

Bug description:
  This problem ocurrs before upgrating to Python 3.7 and setted by
  default python3 command and pc Restarted, don't work reinstall
  python3-apt to solve this.

  Ubuntu version: Ubuntu 18.04.2 TLS

  
  if you try to execute the terminal didn't work, but with XTerm can you try:

  sudo apt-get update

  
  The result:

  
  Hit:1 https://repo.skype.com/deb stable InRelease
  Hit:2 http://co.archive.ubuntu.com/ubuntu bionic InRelease                                                
  Ign:3 http://dl.google.com/linux/chrome/deb stable InRelease                                              
  Get:4 http://co.archive.ubuntu.com/ubuntu bionic-updates InRelease [88,7 kB]                              
  Hit:5 https://download.mono-project.com/repo/ubuntu vs-bionic InRelease                                   
  Get:6 http://security.ubuntu.com/ubuntu bionic-security InRelease [88,7 kB]                               
  Hit:7 https://download.sublimetext.com apt/stable/ InRelease                                              
  Get:8 http://co.archive.ubuntu.com/ubuntu bionic-backports InRelease [74,6 kB]                            
  Hit:9 http://dl.google.com/linux/chrome/deb stable Release                                                
  Fetched 252 kB in 1s (212 kB/s)                                                                           
  Traceback (most recent call last):
    File "/usr/lib/cnf-update-db", line 8, in <module>
      from CommandNotFound.db.creator import DbCreator
    File "/usr/lib/python3/dist-packages/CommandNotFound/db/creator.py", line 11, in <module>
      import apt_pkg
  ModuleNotFoundError: No module named 'apt_pkg'
  Error in sys.excepthook:
  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in apport_excepthook
      from apport.fileutils import likely_packaged, get_recent_crashes
    File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
      from apport.report import Report
    File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
      import apport.fileutils
    File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 23, in <module>
      from apport.packaging_impl import impl as packaging
    File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 24, in <module>
      import apt
    File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
      import apt_pkg
  ModuleNotFoundError: No module named 'apt_pkg'

  Original exception was:
  Traceback (most recent call last):
    File "/usr/lib/cnf-update-db", line 8, in <module>
      from CommandNotFound.db.creator import DbCreator
    File "/usr/lib/python3/dist-packages/CommandNotFound/db/creator.py", line 11, in <module>
      import apt_pkg
  ModuleNotFoundError: No module named 'apt_pkg'
  Reading package lists... Done
  E: Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/lib/command-not-found/ -a -e /usr/lib/cnf-update-db; then /usr/lib/cnf-update-db > /dev/null; fi'
  E: Sub-process returned an error code

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