Use ast.unparse instead of astor.code_gen.to_source

[hmgaudecker]

In limited set of experiments, it produced exactly the same result. ast.unparse is available since Python 3.9, so it's fine to use.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.07%. Comparing base (70f0964) to head (3a7cbe7).
Report is 62 commits behind head on collect-components-of-namespaces.

Additional details and impacted files

@@                         Coverage Diff                          @@
##           collect-components-of-namespaces     #878      +/-   ##
====================================================================
+ Coverage                             83.05%   83.07%   +0.01%     
====================================================================
  Files                                   145      145              
  Lines                                  5714     5713       -1     
====================================================================
  Hits                                   4746     4746              
+ Misses                                  968      967       -1     

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[timmens]

Very very nice!

I am quite shocked that I did not find this despite extensive googling and LLM queries.

[hmgaudecker]

No reason to worry, I guess I just was lucky with my prompt, pasting the precise deprecation warning after a generic first answer...