Undo call cargs change

[PythonFZ]

For readability use Node.load(name='{self.node_name}' instead of Node['self.node_name']

[codecov]

Codecov Report

Merging #402 (4db0ed6) into main (1803cb5) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #402   +/-   ##
=======================================
  Coverage   96.45%   96.45%           
=======================================
  Files          33       33           
  Lines        1466     1466           
  Branches      622      531   -91     
=======================================
  Hits         1414     1414           
  Misses         52       52           

Flag	Coverage Δ
fulltest	96.04% <100.00%> (ø)
unittests	71.87% <83.33%> (+1.42%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
zntrack/__init__.py	100.00% <100.00%> (ø)
zntrack/core/base.py	97.37% <100.00%> (ø)
zntrack/utils/serializer.py	96.15% <100.00%> (ø)
zntrack/zn/dependencies.py	95.12% <100.00%> (ø)

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