ALT Linux Bugzilla – #40089

Похоже, нет поддержки matplotlib 3.4.2 (слишком новая):

rtlsdr-scanner 
09:32:34: Warning: Mismatch between the program and library build versions detected.
The library used 3.0 (wchar_t,compiler with C++ ABI 1013,STL containers,compatible with 2.6,compatible with 2.8),
and wxPython used 3.0 (wchar_t,compiler with C++ ABI 1014,STL containers,compatible with 2.6,compatible with 2.8).
Traceback (most recent call last):
  File "/usr/lib64/python3.9/runpy.py", line 197, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/usr/lib64/python3.9/runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "/usr/lib/python3/site-packages/rtlsdr_scanner/__main__.py", line 48, in <module>
    from rtlsdr_scanner.cli import Cli
  File "/usr/lib/python3/site-packages/rtlsdr_scanner/cli.py", line 38, in <module>
    from rtlsdr_scanner.file import save_plot, export_plot, ScanInfo, File
  File "/usr/lib/python3/site-packages/rtlsdr_scanner/file.py", line 46, in <module>
    from rtlsdr_scanner.spectrum import create_mesh, sort_spectrum
  File "/usr/lib/python3/site-packages/rtlsdr_scanner/spectrum.py", line 29, in <module>
    from matplotlib.dates import seconds
ImportError: cannot import name 'seconds' from 'matplotlib.dates' (/usr/lib64/python3/site-packages/matplotlib/dates.py)

Аналогичная бага в fedora:
https://bugzilla.redhat.com/show_bug.cgi?id=1901488