/usr/share/apport/apport:TypeError:/usr/share/apport/apport@47:/usr/lib/python3/dist-packages/apport/__init__.py@7:/usr/lib/python3/dist-packages/apport/packaging_impl/__init__.py@33:load_packaging_implementation:import_module:/usr/lib/python3/dist-packages/apport/packaging_impl/apt_dpkg.py@30:/usr/lib/python3.11/http/client.py@71:/usr/lib/python3.11/email/parser.py@12:/usr/lib/python3.11/email/feedparser.py@37:compile:_compile:compile:parse:_parse_sub:_parse:_parse_sub:_parse:append

[errors.ubuntu.com bug bridge]

`load_packaging_implementation` in /usr/lib/python3/dist-packages/apport/packaging_impl/__init__.py calls:

importlib.import_module("apport.packaging_impl.apt_dpkg")

There is one crash indicating that Python is the culprit here:

```
Traceback (most recent call last):
  File "/usr/share/apport/apport", line 47, in <module>
    import apport.fileutils
  File "/usr/lib/python3/dist-packages/apport/__init__.py", line 7, in <module>
    from apport.packaging_impl import impl as packaging
  File "/usr/lib/python3/dist-packages/apport/packaging_impl/__init__.py", line 33, in <module>
    impl = load_packaging_implementation()
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/apport/packaging_impl/__init__.py", line 27, in load_packaging_implementation
    module = importlib.import_module(
             ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/apport/packaging_impl/apt_dpkg.py", line 30, in <module>
    import http.client
  File "/usr/lib/python3.11/http/client.py", line 71, in <module>
    import email.parser
  File "/usr/lib/python3.11/email/parser.py", line 12, in <module>
    from email.feedparser import FeedParser, BytesFeedParser
  File "/usr/lib/python3.11/email/feedparser.py", line 37, in <module>
    headerRE = re.compile(r'^(From |[\041-\071\073-\176]*:|[\t ])')
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/re/__init__.py", line 227, in compile
    return _compile(pattern, flags)
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/re/__init__.py", line 294, in _compile
    p = _compiler.compile(pattern, flags)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/re/_compiler.py", line 743, in compile
    p = _parser.parse(p, flags)
        ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/re/_parser.py", line 982, in parse
    p = _parse_sub(source, state, flags & SRE_FLAG_VERBOSE, 0)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/re/_parser.py", line 457, in _parse_sub
    itemsappend(_parse(source, state, verbose, nested + 1,
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/re/_parser.py", line 865, in _parse
    p = _parse_sub(source, state, sub_verbose, nested + 1)
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/re/_parser.py", line 457, in _parse_sub
    itemsappend(_parse(source, state, verbose, nested + 1,
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/re/_parser.py", line 545, in _parse
    subpatternappend((LITERAL, _ord(this)))
  File "/usr/lib/python3.11/re/_parser.py", line 173, in append
    self.data.append(code)
    ^^^^^^^^^^^^^^^^
TypeError: 'NoneType' object does not support the context manager protocol
```

The Ubuntu Error Tracker has been receiving reports about a problem regarding apport. This problem was most recently seen with package version 2.27.0-0ubuntu5, the problem page at https://errors.ubuntu.com/problem/50cfd7836daa6f7aabb091433cb3f54007c8ced4 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/.

[Benjamin Drung (bdrung)]

Removing apport.packaging_impl.apt_dpkg causes import_module to raise ModuleNotFoundError, calling importlib.import_module("") raises "ValueError: Empty module name".

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.