Apply black code fromatter

[pep8speaks]

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

• In the file examples/20news/20news.py:

Line 18:80: E501 line too long (83 > 79 characters) Line 21:80: E501 line too long (84 > 79 characters) Line 23:80: E501 line too long (86 > 79 characters) Line 80:80: E501 line too long (84 > 79 characters) Line 84:80: E501 line too long (88 > 79 characters) Line 84:86: E231 missing whitespace after ',' Line 91:80: E501 line too long (88 > 79 characters) Line 122:80: E501 line too long (80 > 79 characters)

• In the file examples/nypl_menus/nypl_menus.py:

Line 15:80: E501 line too long (83 > 79 characters) Line 18:80: E501 line too long (84 > 79 characters) Line 20:80: E501 line too long (86 > 79 characters) Line 51:62: E231 missing whitespace after ',' Line 65:80: E501 line too long (88 > 79 characters)

• In the file examples/nypl_menus/prepare_data.py:

Line 36:80: E501 line too long (84 > 79 characters) Line 40:80: E501 line too long (84 > 79 characters)

• In the file examples/wine_reviews/prepare_data.py:

Line 51:80: E501 line too long (87 > 79 characters) Line 52:80: E501 line too long (86 > 79 characters)

• In the file examples/wine_reviews/wine_reviews.py:

Line 19:80: E501 line too long (83 > 79 characters) Line 22:80: E501 line too long (84 > 79 characters) Line 24:80: E501 line too long (86 > 79 characters) Line 72:80: E501 line too long (88 > 79 characters) Line 78:80: E501 line too long (88 > 79 characters) Line 78:86: E231 missing whitespace after ',' Line 85:80: E501 line too long (88 > 79 characters) Line 118:80: E501 line too long (80 > 79 characters)

• In the file ptavitm/model.py:

Line 74:75: E231 missing whitespace after ',' Line 96:80: E501 line too long (82 > 79 characters) Line 106:80: E501 line too long (88 > 79 characters) Line 177:80: E501 line too long (80 > 79 characters)

• In the file ptavitm/sklearn_api.py:

Line 102:80: E501 line too long (85 > 79 characters)

• In the file ptavitm/vae.py:

Line 59:80: E501 line too long (85 > 79 characters) Line 87:80: E501 line too long (84 > 79 characters) Line 114:80: E501 line too long (85 > 79 characters) Line 117:80: E501 line too long (85 > 79 characters)