Error collecting tests: AttributeError: 'str' object has no attribute '__spec__'

[nicoddemus]

https://github.com/ESSS/qmxgraph/actions/runs/3656977152/jobs/6180039932

============================= test session starts ==============================
platform linux -- Python 3.6.15, pytest-6.2.5, py-1.11.0, pluggy-1.0.0 -- /usr/share/miniconda/envs/qmxgraph/bin/python
cachedir: .pytest_cache
metadata: {'Python': '3.6.15', 'Platform': 'Linux-5.15.0-1024-azure-x86_64-with-debian-bookworm-sid', 'Packages': {'pytest': '6.2.5', 'py': '1.11.0', 'pluggy': '1.0.0'}, 'Plugins': {'hypothesis': '3.11.0', 'metadata': '1.11.0', 'qt': '4.0.2', 'timeout': '2.1.0', 'mock': '3.6.1', 'cov': '2.5.1', 'base-url': '1.4.1', 'xvfb': '2.0.0', 'html': '3.2.0', 'selenium': '1.17.0', 'rerunfailures': '10.3', 'variables': '1.7.1'}, 'CI': 'true', 'JAVA_HOME': '/usr/lib/jvm/temurin-11-jdk-amd64', 'Base URL': '', 'Driver': 'PhantomJS', 'Capabilities': {}}
PyQt5 5.12.3 -- Qt runtime 5.12.9 -- Qt compiled 5.12.9
driver: PhantomJS
sensitiveurl: .*
rootdir: /home/runner/work/qmxgraph/qmxgraph, configfile: pytest.ini
plugins: hypothesis-3.11.0, metadata-1.11.0, qt-4.0.2, timeout-2.1.0, mock-3.6.1, cov-2.5.1, base-url-1.4.1, xvfb-2.0.0, html-3.2.0, selenium-1.17.0, rerunfailures-10.3, variables-1.7.1
timeout: 30.0s
timeout method: signal
timeout func_only: False
collecting ... collected 31 items / 1 error / 30 selected

==================================== ERRORS ====================================
___________________ ERROR collecting tests/test_js_graph.py ____________________
tests/test_js_graph.py:14: in <module>
    from qmxgraph import server
src/qmxgraph/server.py:9: in <module>
    import cherrypy
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/cherrypy/__init__.py:66: in <module>
    from ._cperror import (
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/cherrypy/_cperror.py:135: in <module>
    from cherrypy.lib import httputil as _httputil
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/cherrypy/lib/httputil.py:20: in <module>
    import jaraco.collections
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/jaraco/collections.py:10: in <module>
    import jaraco.text
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/jaraco/text/__init__.py:228: in <module>
    lorem_ipsum = resources.read_text(__name__, 'Lorem ipsum.txt')  # type: ignore
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/importlib_resources/_legacy.py:25: in wrapper
    return func(*args, **kwargs)
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/importlib_resources/_legacy.py:79: in read_text
    with open_text(package, resource, encoding, errors) as fp:
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/importlib_resources/_legacy.py:25: in wrapper
    return func(*args, **kwargs)
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/importlib_resources/_legacy.py:62: in open_text
    return (_common.files(package) / normalize_path(resource)).open(
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/importlib_resources/_common.py:46: in wrapper
    return func(anchor)
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/importlib_resources/_common.py:56: in files
    return from_package(resolve(anchor))
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/importlib_resources/_common.py:112: in from_package
    spec = wrap_spec(package)
/usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/importlib_resources/_compat.py:101: in wrap_spec
    return _adapters.SpecLoaderAdapter(package.__spec__, TraversableResourcesLoader)
E   AttributeError: 'str' object has no attribute '__spec__'
=============================== warnings summary ===============================
../../../../../usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/jaraco/text/__init__.py:228
  /usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/jaraco/text/__init__.py:228: DeprecationWarning: read_text is deprecated. Use files() instead. Refer to https://importlib-resources.readthedocs.io/en/latest/using.html#migrating-from-legacy for migration advice.
    lorem_ipsum = resources.read_text(__name__, 'Lorem ipsum.txt')  # type: ignore

../../../../../usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/importlib_resources/_legacy.py:79
  /usr/share/miniconda/envs/qmxgraph/lib/python3.6/site-packages/importlib_resources/_legacy.py:79: DeprecationWarning: open_text is deprecated. Use files() instead. Refer to https://importlib-resources.readthedocs.io/en/latest/using.html#migrating-from-legacy for migration advice.
    with open_text(package, resource, encoding, errors) as fp:

-- Docs: https://docs.pytest.org/en/stable/warnings.html

---------- coverage: platform linux, python 3.6.15-final-0 -----------
Name                                    Stmts   Miss  Cover
-----------------------------------------------------------
src/qmxgraph/__init__.py                    1      0   100%
src/qmxgraph/_web_view.py                  89     48    46%
src/qmxgraph/api.py                       226    118    48%
src/qmxgraph/cell_bounds.py                21      5    76%
src/qmxgraph/configuration.py              44     16    64%
src/qmxgraph/constants.py                   7      0   100%
src/qmxgraph/debug.py                       5      2    60%
src/qmxgraph/exceptions.py                  3      0   100%
src/qmxgraph/extra_attr_validators.py      12      8    33%
src/qmxgraph/js.py                         13      5    62%
src/qmxgraph/mime.py                       12      9    25%
src/qmxgraph/resource_mxgraph.py           16      3    81%
src/qmxgraph/resource_qmxgraph.py          16      3    81%
src/qmxgraph/server.py                     82     79     4%
src/qmxgraph/waiting.py                    50     29    [42](https://github.com/ESSS/qmxgraph/actions/runs/3656977152/jobs/6180039932#step:6:43)%
src/qmxgraph/widget.py                    316    192    39%
-----------------------------------------------------------
TOTAL                                     913    517    [43](https://github.com/ESSS/qmxgraph/actions/runs/3656977152/jobs/6180039932#step:6:44)%

=========================== short test summary info ============================
ERROR tests/test_js_graph.py - AttributeError: 'str' object has no attribute ...
!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!
========================= 2 warnings, 1 error in 1.[97](https://github.com/ESSS/qmxgraph/actions/runs/3656977152/jobs/6180039932#step:6:98)s =========================