MAINT compatibility with scikit-learn 0.22

[glemaitre]

closes #616

[codecov]

Codecov Report

Merging #617 into master will decrease coverage by 0.68%.
The diff coverage is 98.63%.

@@            Coverage Diff             @@
##           master     #617      +/-   ##
==========================================
- Coverage   98.92%   98.23%   -0.69%     
==========================================
  Files          85       83       -2     
  Lines        5310     4709     -601     
==========================================
- Hits         5253     4626     -627     
- Misses         57       83      +26

Impacted Files	Coverage Δ
imblearn/utils/__init__.py	100% <ø> (ø)	⬆️
imblearn/under_sampling/__init__.py	100% <ø> (ø)	⬆️
...rn/under_sampling/_prototype_selection/__init__.py	100% <ø> (ø)	⬆️
imblearn/metrics/__init__.py	100% <ø> (ø)	⬆️
imblearn/datasets/tests/test_imbalance.py	100% <ø> (ø)	⬆️
imblearn/under_sampling/base.py	100% <100%> (ø)	⬆️
imblearn/over_sampling/tests/test_adasyn.py	100% <100%> (ø)	⬆️
imblearn/utils/tests/test_deprecation.py	100% <100%> (ø)	⬆️
imblearn/over_sampling/tests/test_smote.py	100% <100%> (ø)	⬆️
imblearn/keras/__init__.py	100% <100%> (ø)	⬆️
... and 73 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update bbe3820...034270f. Read the comment docs.

[pep8speaks]

Hello @glemaitre! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file imblearn/keras/_generator.py:

Line 47:1: E402 module level import not at top of file

Comment last updated at 2019-10-31 16:18:08 UTC

[lgtm-com]

This pull request fixes 7 alerts when merging e31c6c6 into bbe3820 - view on LGTM.com

fixed alerts:

• 7 for Unused import

[lgtm-com]

This pull request fixes 7 alerts when merging 3603cdf into bbe3820 - view on LGTM.com

fixed alerts:

• 7 for Unused import

[lgtm-com]

This pull request fixes 7 alerts when merging 034270f into bbe3820 - view on LGTM.com

fixed alerts:

• 7 for Unused import