[Bug 1759134] [NEW] software-properties-gtk (TypeError) detect_drivers → system_device_drivers → system_driver_packages → packages_for_modalias

[errors.ubuntu.com bug bridge]

Public bug reported:

The Ubuntu Error Tracker has been receiving reports about a problem regarding software-properties.  This problem was most recently seen with package version 0.96.24.24, the problem page at https://errors.ubuntu.com/problem/a98c6a0ffa437bac3d8c239431e0eedecffdbdfe contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 1205, in detect_drivers
    self.devices = detect.system_device_drivers(self.apt_cache)
  File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 390, in system_device_drivers
    for pkg, pkginfo in system_driver_packages(apt_cache).items():
  File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 294, in system_driver_packages
    for p in packages_for_modalias(apt_cache, alias):
  File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 145, in packages_for_modalias
    apt_cache_hash = hash(apt_cache)
TypeError: unhashable type: 'Cache'

** Affects: software-properties (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bionic

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https://bugs.launchpad.net/bugs/1759134

Title:
  software-properties-gtk (TypeError) detect_drivers →
  system_device_drivers → system_driver_packages → packages_for_modalias

Status in software-properties package in Ubuntu:
  New

Bug description:
  The Ubuntu Error Tracker has been receiving reports about a problem regarding software-properties.  This problem was most recently seen with package version 0.96.24.24, the problem page at https://errors.ubuntu.com/problem/a98c6a0ffa437bac3d8c239431e0eedecffdbdfe contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.

  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 1205, in detect_drivers
      self.devices = detect.system_device_drivers(self.apt_cache)
    File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 390, in system_device_drivers
      for pkg, pkginfo in system_driver_packages(apt_cache).items():
    File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 294, in system_driver_packages
      for p in packages_for_modalias(apt_cache, alias):
    File "/usr/lib/python3/dist-packages/UbuntuDrivers/detect.py", line 145, in packages_for_modalias
      apt_cache_hash = hash(apt_cache)
  TypeError: unhashable type: 'Cache'

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