replacing deprecated A from scipy, in1d from numpy and fix chained indexing pandas

[quant12345]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 25.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 75.56%. Comparing base (8009cb5) to head (afba1b2).

Files with missing lines	Patch %	Lines
pandapower/runpm.py	0.00%	2 Missing ⚠️
pandapower/converter/pandamodels/from_pm.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2515      +/-   ##
===========================================
- Coverage    75.56%   75.56%   -0.01%     
===========================================
  Files          284      284              
  Lines        33817    33817              
===========================================
- Hits         25555    25554       -1     
- Misses        8262     8263       +1     

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[quant12345]

I don't understand the Codecov / codecov/patch errors, I didn't add the lines (I changed these lines). This is what I get:

pandapower/converter/pandamodels/from_pm.py#L74
Added line #L74 was not covered by tests

pandapower/runpm.py#L358
Added line #L358 was not covered by tests

pandapower/runpm.py#L385
Added line #L385 was not covered by tests