Package: jupyter-qtconsole
Version: 5.0.2-2
Severity: important
X-Debbugs-Cc: emil.no...@gmail.com

Dear Maintainer,

When I try to start  jupyter-qtconsole
I get the following exception
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 567, in
_build_master
    ws.require(__requires__)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 884, in
require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 775, in
resolve
    raise VersionConflict(dist, req).with_context(dependent_req)
pkg_resources.VersionConflict: (qtconsole 4.7.6 (/usr/lib/python3/dist-
packages), Requirement.parse('qtconsole==5.0.2'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/bin/jupyter-qtconsole", line 33, in <module>
    sys.exit(load_entry_point('qtconsole==5.0.2', 'gui_scripts', 'jupyter-
qtconsole')())
  File "/usr/lib/python3/dist-packages/qtconsole/qtconsoleapp.py", line 457, in
main
    JupyterQtConsoleApp.launch_instance()
  File "/usr/lib/python3/dist-packages/jupyter_core/application.py", line 254,
in launch_instance
    return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
  File "/usr/lib/python3/dist-packages/traitlets/config/application.py", line
844, in launch_instance
    app.initialize(argv)
  File "/usr/lib/python3/dist-packages/traitlets/config/application.py", line
87, in inner
    return method(app, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/qtconsole/qtconsoleapp.py", line 428, in
initialize
    self.init_qt_elements()
  File "/usr/lib/python3/dist-packages/qtconsole/qtconsoleapp.py", line 292, in
init_qt_elements
    self.window.init_menu_bar()
  File "/usr/lib/python3/dist-packages/qtconsole/mainwindow.py", line 382, in
init_menu_bar
    self.init_view_menu()
  File "/usr/lib/python3/dist-packages/qtconsole/mainwindow.py", line 584, in
init_view_menu
    available_syntax_styles = self.get_available_syntax_styles()
  File "/usr/lib/python3/dist-packages/qtconsole/mainwindow.py", line 754, in
get_available_syntax_styles
    styles = list(get_all_styles())
  File "/usr/lib/python3/dist-packages/pygments/styles/__init__.py", line 79,
in get_all_styles
    for name, _ in find_plugin_styles():
  File "/usr/lib/python3/dist-packages/pygments/plugin.py", line 64, in
find_plugin_styles
    for entrypoint in iter_entry_points(STYLE_ENTRY_POINT):
  File "/usr/lib/python3/dist-packages/pygments/plugin.py", line 46, in
iter_entry_points
    import pkg_resources
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 3239,
in <module>
    def _initialize_master_working_set():
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 3222,
in _call_aside
    f(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 3251,
in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 569, in
_build_master
    return cls._build_from_requirements(__requires__)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 582, in
_build_from_requirements
    dists = ws.resolve(reqs, Environment())
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 770, in
resolve
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'qtconsole==5.0.2' distribution was not
found and is required by the application




-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (500, 'testing'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.9.0-5-amd64 (SMP w/12 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE,
TAINT_UNSIGNED_MODULE
Locale: LANG=pl_PL.UTF-8, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8), LANGUAGE not
set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages jupyter-qtconsole depends on:
ii  jupyter-core       4.7.0-1
ii  python3            3.9.0-4
ii  python3-qtconsole  4.7.6-1

jupyter-qtconsole recommends no packages.

jupyter-qtconsole suggests no packages.

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