Code refactors. No changes in functionality whatsoever

[ThanosTsiamis]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 94.28571% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 87.10%. Comparing base (ddf1399) to head (dcdb96a).

Files	Patch %	Lines
...orithms/similarity_flooding/similarity_flooding.py	75.00%	1 Missing :warning:
valentine/data_sources/base_table.py	0.00%	1 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #73      +/-   ##
==========================================
- Coverage   87.15%   87.10%   -0.06%     
==========================================
  Files          40       40              
  Lines        1760     1760              
==========================================
- Hits         1534     1533       -1     
- Misses        226      227       +1     

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