Bug#1032995: spyder: Spyder on startup says there is a missing dependency (pylsp_black) but it is correctly installed

[Brian Vaughan]

# Spyder, Help > Dependencies

# Mandatory:
atomicwrites >=1.2.0          :  1.4.1 (OK)
chardet >=2.0.0               :  5.1.0 (OK)
cloudpickle >=0.5.0           :  2.2.0 (OK)
cookiecutter >=1.6.0          :  1.7.3 (OK)
diff_match_patch >=20181111   :  20200713 (OK)
intervaltree >=3.0.2          :  3.0.2 (OK)
IPython >=7.31.1;<9.0.0       :  8.5.0 (OK)
jedi >=0.17.2;<0.19.0         :  0.18.2 (OK)
jellyfish >=0.7               :  0.8.9 (OK)
jsonschema >=3.2.0            :  4.10.3 (OK)
keyring >=17.0.0              :  23.9.3 (OK)
nbconvert >=4.0               :  6.5.3 (OK)
numpydoc >=0.6.0              :  1.5.0 (OK)
parso >=0.7.0;<0.9.0          :  0.8.3 (OK)
pexpect >=4.4.0               :  4.8.0 (OK)
pickleshare >=0.4             :  0.7.5 (OK)
psutil >=5.3                  :  5.9.4 (OK)
pygments >=2.0                :  2.15.1 (OK)
pylint >=2.5.0;<3.0           :  2.16.2 (OK)
pylint_venv >=2.1.1           :  2.3.0 (OK)
pyls_spyder >=0.4.0           :  0.4.0 (OK)
pylsp >=1.7.1;<1.8.0          :  1.7.1 (OK)
pylsp_black >=1.2.0           :  None (NOK)
qdarkstyle >=3.0.2;<3.2.0     :  3.1 (OK)
qstylizer >=0.2.2             :  0.2.2 (OK)
qtawesome >=1.2.1             :  1.2.2 (OK)
qtconsole >=5.4.0;<5.5.0      :  5.4.0 (OK)
qtpy >=2.1.0                  :  2.3.0 (OK)
rtree >=0.9.7                 :  1.0.1 (OK)
setuptools >=49.6.0           :  66.1.1 (OK)
sphinx >=0.6.6                :  5.3.0 (OK)
spyder_kernels >=2.4.2;<2.5.0 :  2.4.2 (OK)
textdistance >=4.2.0          :  4.5.0 (OK)
three_merge >=0.1.1           :  0.1.1 (OK)
watchdog >=0.10.3             :  2.2.1 (OK)
xdg >=0.26                    :  0.28 (OK)
zmq >=22.1.0                  :  24.0.1 (OK)

# Optional:
cython >=0.21                 :  None (NOK)
matplotlib >=3.0.0            :  3.6.3 (OK)
numpy >=1.7                   :  1.24.2 (OK)
pandas >=1.1.1                :  None (NOK)
scipy >=0.17.0                :  1.10.1 (OK)
sympy >=0.7.3                 :  1.11.1 (OK)


# Spyder, Help > About Spyder

* Spyder version: 5.4.2  (pip)
* Python version: 3.11.2 64-bit
* Qt version: 5.15.8
* PyQt5 version: 5.15.9
* Operating System: Linux 6.1.0-9-amd64


# Commands in the iPython console

Python 3.11.2 (main, Mar 13 2023, 12:18:29) [GCC 12.2.0]
Type "copyright", "credits" or "license" for more information.

IPython 8.5.0 -- An enhanced Interactive Python.

import sys

sys.executable
Out[2]: '/usr/bin/python3'

sys.path
Out[3]:
['/usr/lib/python311.zip',
  '/usr/lib/python3.11',
  '/usr/lib/python3.11/lib-dynload',
  '',
  '/usr/local/lib/python3.11/dist-packages',
  '/usr/lib/python3/dist-packages',
  '/usr/lib/python3.11/dist-packages']

import pylsp_black

sys.modules["pylsp_black"]
Out[5]: <module 'pylsp_black' from 
'/usr/lib/python3/dist-packages/pylsp_black/__init__.py'>