[Bug 1863164] [NEW] ImportError: could not import gobject (error was: ImportError('/usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so: undefined symbol: PyExc_NotImplementedError'))

[Norbert]

Public bug reported:

Steps to reproduce:
1. Install Ubuntu 20.04 LTS
2. Start first terminal with `tail -f ~/.xsession-errors`
3. Start second terminal and run `caja -q` from here

Expected results:
* there are no error messages or warnings in 1st terminl

Actual results:
* there are several error messages and warnings:


(caja:14755): Gtk-WARNING **: 22:55:26.070: Failed to register client: GDBus.Error:org.gnome.SessionManager.AlreadyRegistered: Unable to register client
ImportError: could not import gobject (error was: ImportError('/usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so: undefined symbol: PyExc_NotImplementedError'))
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 23, in <module>
    import apt
  File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
    import apt_pkg
ImportError: /usr/lib/python3/dist-packages/apt_pkg.cpython-38-x86_64-linux-gnu.so: undefined symbol: PyExc_ValueError

Original exception was:
ImportError: could not import gobject (error was: ImportError('/usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so: undefined symbol: PyExc_NotImplementedError'))

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: python3-apt 1.9.5
ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
Uname: Linux 5.4.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu16
Architecture: amd64
CurrentDesktop: MATE
Date: Thu Feb 13 22:52:33 2020
InstallationDate: Installed on 2020-02-11 (1 days ago)
InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Alpha amd64 (20200211)
SourcePackage: python-apt
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: python-apt (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal

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https://bugs.launchpad.net/bugs/1863164

Title:
  ImportError: could not import gobject (error was:
  ImportError('/usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64
  -linux-gnu.so: undefined symbol: PyExc_NotImplementedError'))

Status in python-apt package in Ubuntu:
  New

Bug description:
  Steps to reproduce:
  1. Install Ubuntu 20.04 LTS
  2. Start first terminal with `tail -f ~/.xsession-errors`
  3. Start second terminal and run `caja -q` from here

  Expected results:
  * there are no error messages or warnings in 1st terminl

  Actual results:
  * there are several error messages and warnings:

  
  (caja:14755): Gtk-WARNING **: 22:55:26.070: Failed to register client: GDBus.Error:org.gnome.SessionManager.AlreadyRegistered: Unable to register client
  ImportError: could not import gobject (error was: ImportError('/usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so: undefined symbol: PyExc_NotImplementedError'))
  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 23, in <module>
      import apt
    File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
      import apt_pkg
  ImportError: /usr/lib/python3/dist-packages/apt_pkg.cpython-38-x86_64-linux-gnu.so: undefined symbol: PyExc_ValueError

  Original exception was:
  ImportError: could not import gobject (error was: ImportError('/usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so: undefined symbol: PyExc_NotImplementedError'))

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: python3-apt 1.9.5
  ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
  Uname: Linux 5.4.0-12-generic x86_64
  ApportVersion: 2.20.11-0ubuntu16
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Thu Feb 13 22:52:33 2020
  InstallationDate: Installed on 2020-02-11 (1 days ago)
  InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Alpha amd64 (20200211)
  SourcePackage: python-apt
  UpgradeStatus: No upgrade log present (probably fresh install)

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