Remove check from BoundaryAttack to enable binary classification

[beat-buesser]

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

Description

This pull request removes a check from BoundaryAttack to enable binary classification.

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

Testing

[codecov-commenter]

Codecov Report

Merging #1897 (c1377de) into dev_1.12.2 (ef53a70) will increase coverage by 2.79%.
The diff coverage is n/a.

@@              Coverage Diff               @@
##           dev_1.12.2    #1897      +/-   ##
==============================================
+ Coverage       83.05%   85.85%   +2.79%     
==============================================
  Files             248      248              
  Lines           23320    23319       -1     
  Branches         4214     4214              
==============================================
+ Hits            19369    20020     +651     
+ Misses           2914     2234     -680     
- Partials         1037     1065      +28     

Impacted Files	Coverage Δ
art/attacks/evasion/boundary.py	93.93% <ø> (-0.04%)	⬇️
art/estimators/poison_mitigation/strip/strip.py	100.00% <0.00%> (+5.55%)	⬆️
...timators/speech_recognition/pytorch_deep_speech.py	94.11% <0.00%> (+9.01%)	⬆️
art/estimators/certification/abstain.py	100.00% <0.00%> (+9.09%)	⬆️
art/estimators/classification/scikitlearn.py	90.86% <0.00%> (+10.69%)	⬆️
art/estimators/regression/scikitlearn.py	92.63% <0.00%> (+25.26%)	⬆️
...adversarial_texture/adversarial_texture_pytorch.py	90.00% <0.00%> (+28.00%)	⬆️
art/estimators/classification/xgboost.py	87.62% <0.00%> (+29.89%)	⬆️
art/estimators/classification/lightgbm.py	95.00% <0.00%> (+46.66%)	⬆️
art/metrics/gradient_check.py	100.00% <0.00%> (+54.54%)	⬆️
... and 3 more

[kieranfraser]

Looks good to me.