fix RUF012 #156

[leon1995]

part of linting fix #156 . this fixes RUF012

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have updated the changelog accordingly.
• I have added tests to cover my changes.

[leon1995]

one can check for all occurrences of RUF102 using ruff check . --select RUF012

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (20669bd) 88.35% compared to head (c8756ee) 88.35%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #248   +/-   ##
=======================================
  Coverage   88.35%   88.35%           
=======================================
  Files         112      112           
  Lines       13223    13227    +4     
=======================================
+ Hits        11683    11687    +4     
  Misses       1540     1540           

Files Changed	Coverage Δ
src/sdc11073/provider/providerimpl.py	93.21% <ø> (ø)
src/sdc11073/definitions_base.py	94.73% <100.00%> (ø)
src/sdc11073/definitions_sdc.py	100.00% <100.00%> (ø)
src/sdc11073/httpserver/compression.py	89.61% <100.00%> (-0.27%)	⬇️
src/sdc11073/mdib/consumermdibxtra.py	75.86% <100.00%> (ø)
src/sdc11073/mdib/descriptorcontainers.py	96.52% <100.00%> (ø)
src/sdc11073/mdib/statecontainers.py	97.28% <100.00%> (ø)
src/sdc11073/provider/porttypes/porttypebase.py	96.39% <100.00%> (ø)
src/sdc11073/pysoap/soapenvelope.py	95.74% <100.00%> (ø)
src/sdc11073/wsdiscovery/wsdimpl.py	88.17% <100.00%> (+0.06%)	⬆️
... and 9 more

... and 2 files with indirect coverage changes

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