Fix code scanning alerts (1/x)

[codecov-commenter]

Codecov Report

Merging #176 (258e9b0) into master (732dbb4) will increase coverage by 0.92%. The diff coverage is 65.11%.

@@            Coverage Diff             @@
##           master     #176      +/-   ##
==========================================
+ Coverage   32.61%   33.54%   +0.92%     
==========================================
  Files           5        6       +1     
  Lines        2566     2555      -11     
  Branches      486      470      -16     
==========================================
+ Hits          837      857      +20     
+ Misses       1648     1625      -23     
+ Partials       81       73       -8     

Flag	Coverage Δ
unittests	33.54% <65.11%> (+0.92%)	:arrow_up:

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Impacted Files	Coverage Δ
volkswagencarnet/vw_utilities.py	100.00% <ø> (ø)
volkswagencarnet/vw_connection.py	12.60% <37.50%> (-0.03%)	:arrow_down:
volkswagencarnet/vw_dashboard.py	56.90% <54.16%> (+0.34%)	:arrow_up:
volkswagencarnet/vw_vehicle.py	36.29% <73.07%> (+1.50%)	:arrow_up:
volkswagencarnet/vw_exceptions.py	100.00% <100.00%> (ø)

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[milkboy]

[milkboy]

more than halfway there :smile: the rest in a new PR when there is time