fix: 🚨Additional commits for issue #778

[Anselmoo]

Objective

During taking care about the flake8 issue #778, keras_tuner for cross-checked
via

sourcery review ./keras_tuner/ --disable inline-immediately-returned-variable --disable remove-unnecessary-cast 

for refactoring possibilities:

• use-fstring-for-concatenation
• assign-if-exp
• reintroduce-else
• use-fstring-for-formatting
• for-append-to-extend
• for-index-underscore
• collection-builtin-to-comprehension
• comprehension-to-generator
• remove-unnecessary-else
• boolean-if-exp-identity
• list-comprehension
• merge-dict-assign
• use-any
• identity-comprehension
• instance-method-first-arg-name
• invert-any-all
• or-if-exp-identity
• remove-str-from-fstring
• simplify-boolean-comparison
• swap-if-else-branches
• swap-if-expression
• use-next
• aug-assign
• class-method-first-arg-name
• collection-into-set
• dict-comprehension
• do-not-use-bare-except
• raise-from-previous-error
• remove-assert-true
• remove-dict-keys
• remove-unreachable-code
• simplify-len-comparison
• sum-comprehension

The PR is designed so that single commits can be dropped out. And the code basis stays consistent PEP 20

See also:

• https://github.com/sourcery-ai/sourcery
• https://docs.sourcery.ai/Reference/Built-in-Rules/refactorings/

[haifeng-jin]

Thanks for the PR! I will take a careful review later to make sure no bug was introduced.

[codecov-commenter]

Codecov Report

Base: 95.02% // Head: 95.02% // Decreases project coverage by -0.00% ⚠️

Coverage data is based on head (e094dc4) compared to base (d27400c).
Patch coverage: 98.31% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #780      +/-   ##
==========================================
- Coverage   95.02%   95.02%   -0.01%     
==========================================
  Files          48       48              
  Lines        3137     3073      -64     
==========================================
- Hits         2981     2920      -61     
+ Misses        156      153       -3     

Impacted Files	Coverage Δ
keras_tuner/applications/augment.py	90.58% <ø> (ø)
keras_tuner/applications/efficientnet.py	87.30% <ø> (ø)
keras_tuner/distribute/utils.py	63.26% <0.00%> (ø)
keras_tuner/engine/conditions.py	88.67% <ø> (ø)
keras_tuner/engine/tuner_utils.py	88.73% <80.00%> (-0.30%)	⬇️
keras_tuner/applications/resnet.py	97.18% <100.00%> (ø)
keras_tuner/applications/xception.py	87.09% <100.00%> (ø)
keras_tuner/engine/base_tuner.py	99.39% <100.00%> (ø)
...uner/engine/hyperparameters/hp_types/boolean_hp.py	100.00% <100.00%> (ø)
...tuner/engine/hyperparameters/hp_types/choice_hp.py	100.00% <100.00%> (ø)
... and 14 more

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[haifeng-jin]

Thanks for the update! After addressing these comments, it should be good to merge.

[haifeng-jin]

Looks all good! Thank you!