Support numpy arrays in logger of clean_label_backdoor_attack

[beat-buesser]

Signed-off-by: Beat Buesser beat.buesser@ie.ibm.com

Description

This pull request adds support for numpy arrays in the logger of clean_label_backdoor_attack. Thank you @lcadalzo for the solution!

Fixes #1697

Type of change

Please check all relevant options.

• Improvement (non-breaking)
• Bug fix (non-breaking)
• New feature (non-breaking)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

[codecov-commenter]

Codecov Report

Merging #1698 (8448ec2) into dev_1.10.2 (af9bf9c) will decrease coverage by 0.55%.
The diff coverage is n/a.

@@              Coverage Diff               @@
##           dev_1.10.2    #1698      +/-   ##
==============================================
- Coverage       88.04%   87.49%   -0.56%     
==============================================
  Files             259      259              
  Lines           21398    21552     +154     
  Branches         3800     3834      +34     
==============================================
+ Hits            18840    18857      +17     
- Misses           1607     1746     +139     
+ Partials          951      949       -2     

Impacted Files	Coverage Δ
...t/attacks/poisoning/clean_label_backdoor_attack.py	89.74% <ø> (ø)
art/attacks/evasion/carlini.py	74.25% <0.00%> (-20.41%)	⬇️
art/attacks/evasion/boundary.py	92.77% <0.00%> (-1.21%)	⬇️
...rt/defences/detector/poison/clustering_analyzer.py	97.46% <0.00%> (+2.53%)	⬆️