setup.py: Drop flake8-polyfill dependency

[arkivm]

Newer versions (> 3.x) of flake8 no longer require flake8-polyfill

Fixes #185
Also refer PyCQA/flake8-polyfill#14

[sigmavirus24]

flake8-polyfill is still in use

pep8-naming/src/pep8ext_naming.py

Line 10 in 407fa0c

from flake8_polyfill import options

pep8-naming/src/pep8ext_naming.py

Lines 143 to 171 in 407fa0c

	def add_options(cls, parser):
	options.register(parser, '--ignore-names',
	default=_default_ignore_names,
	action='store',
	type='string',
	parse_from_config=True,
	comma_separated_list=True,
	help='List of names or glob patterns the pep8-naming '
	'plugin should ignore. (Defaults to %default)')
	options.register(parser, '--classmethod-decorators',
	default=_default_classmethod_decorators,
	action='store',
	type='string',
	parse_from_config=True,
	comma_separated_list=True,
	help='List of method decorators pep8-naming plugin '
	'should consider classmethods (Defaults to '
	'%default)')
	options.register(parser, '--staticmethod-decorators',
	default=_default_staticmethod_decorators,
	action='store',
	type='string',
	parse_from_config=True,
	comma_separated_list=True,
	help='List of method decorators pep8-naming plugin '
	'should consider staticmethods (Defaults to '
	'%default)')

[arkivm]

oops. my bad. didn't really check where it is used. will fix. thank you

edit: It looks non-trivial. Do you have any suggestions on how do I go about removing this dep?

[jparise]

oops. my bad. didn't really check where it is used. will fix. thank you

edit: It looks non-trivial. Do you have any suggestions on how do I go about removing this dep?

The options need to be registered directly with parser in add_options() rather than going through the options.register() compatibility wrapper.

[jparise]

#199 is my take on removing this dependency.

[jparise]

Closed by #199