Contributing guide typo fix

[zkid18]

Before submitting

• Was this discussed/approved via a Github issue? (no need for typos and docs improvements)
• Did you read the contribution guide?
• Did you check the code style? catalyst-make-codestyle && catalyst-check-codestyle (pip install -U catalyst-codestyle).
• Did you make sure to update the docs? We use Google format for all the methods and classes.
• Did you check the docs with make check-docs?
• Did you write any new necessary tests?
• Did you check that your code passes the unit tests pytest . ?
• Did you add your new functionality to the docs?
• Did you update the CHANGELOG?

Description

Related Issue

Type of Change

• Examples / docs / tutorials / contributors update
• Bug fix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves an existing feature)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

PR review

Anyone in the community is free to review the PR once the tests have passed.
If we didn't discuss your PR in Github issues there's a high chance it will not be merged.

PS

• I know, that I could join slack for pull request discussion.

[pep8speaks]

Hello @zkid18! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file catalyst/contrib/datasets/movie_lens.py:

Line 11:1: E302 expected 2 blank lines, found 1
Line 15:1: W293 blank line contains whitespace
Line 17:67: W291 trailing whitespace
Line 18:54: W291 trailing whitespace
Line 19:80: E501 line too long (86 > 79 characters)
Line 22:79: W291 trailing whitespace
Line 50:37: W291 trailing whitespace
Line 55:13: E126 continuation line over-indented for hanging indent
Line 57:13: E123 closing bracket does not match indentation of opening bracket's line
Line 61:5: E303 too many blank lines (2)
Line 83:1: W293 blank line contains whitespace
Line 100:20: E251 unexpected spaces around keyword / parameter equals
Line 100:22: E251 unexpected spaces around keyword / parameter equals
Line 101:30: E251 unexpected spaces around keyword / parameter equals
Line 101:32: E251 unexpected spaces around keyword / parameter equals
Line 101:32: W291 trailing whitespace
Line 106:17: E128 continuation line under-indented for visual indent
Line 110:1: W293 blank line contains whitespace
Line 110:1: W391 blank line at end of file

• In the file catalyst/utils/metrics/hitrate.py:

Line 7:1: E302 expected 2 blank lines, found 1

• In the file catalyst/utils/metrics/tests/test_hitrate.py:

Line 10:80: E501 line too long (87 > 79 characters)
Line 11:80: E501 line too long (87 > 79 characters)
Line 13:80: E501 line too long (96 > 79 characters)
Line 14:80: E501 line too long (109 > 79 characters)
Line 16:80: E501 line too long (109 > 79 characters)
Line 18:80: E501 line too long (109 > 79 characters)