remove flake8

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>

pipenv/cli.py

@@ -322,11 +322,10 @@ def run(command, args, three=None, python=False):
 @click.option('--python', default=False, nargs=1, help="Specify which version of Python virtualenv should use.")
 @click.option('--system', is_flag=True, default=False, help="Use system Python.")
 @click.option('--unused', nargs=1, default=False, help="Given a code path, show potentially unused dependencies.")
-@click.option('--style', nargs=1, default=False, help="Given a code path, show Flake8 errors.")
 @click.argument('args', nargs=-1)
 def check(three=None, python=False, system=False, unused=False, style=False, args=None):
     from . import core
-    core.do_check(three=three, python=python, system=system, unused=unused, style=style, args=args)
+    core.do_check(three=three, python=python, system=system, unused=unused, args=args)
 
 
 @click.command(short_help=u"Displays currently–installed dependency graph information.")

pipenv/core.py

@@ -25,7 +25,6 @@ import requests
 import pipfile
 import pipdeptree
 import semver
-import flake8.main.cli
 from pipreqs import pipreqs
 from blindspin import spinner
 from urllib3.exceptions import InsecureRequestWarning
@@ -2069,7 +2068,7 @@ def do_run(command, args, three=None, python=False):
         pass
 
 
-def do_check(three=None, python=False, system=False, unused=False, style=False, args=None):
+def do_check(three=None, python=False, system=False, unused=False, args=None):
 
     if not system:
         # Ensure that virtualenv is available.
@@ -2078,16 +2077,6 @@ def do_check(three=None, python=False, system=False, unused=False, style=False,
     if not args:
         args = []
 
-    if style:
-        click.echo(
-            '{0}: --style argument is deprecated since 9.1.0 and will be '
-            'removed in 10.0.0.'.format(crayons.red('Warning', bold=True)),
-            err=True
-        )
-        sys.argv = ['magic', project.path_to(style)] + list(args)
-        flake8.main.cli.main()
-        exit()
-
     if unused:
         deps_required = [k for k in project.packages.keys()]
         deps_needed = import_from_code(unused)

setup.py

@@ -26,7 +26,6 @@ required = [
     'pew>=0.1.26',
     'pip>=9.0.1',
     'requests>2.18.0',
-    'flake8>=3.0.0',
     'urllib3>=1.21.1'
 ]
 

tests/test_pipenv.py

@@ -786,19 +786,6 @@ requests = {version = "*"}
                 assert 'GitPython' not in c.out
                 assert 'tablib' in c.out
 
-    @pytest.mark.check
-    @pytest.mark.style
-    def test_flake8(self):
-
-        with PipenvInstance() as p:
-
-            with PipenvInstance(chdir=True) as p:
-                with open('t.py', 'w') as f:
-                    f.write('import requests')
-
-                c = p.pipenv('check --style .')
-                assert 'requests' in c.out
-
     @pytest.mark.extras
     @pytest.mark.install
     @pytest.mark.requirements