I was wrong. Forgot a couple lines

flake8/run.py

@@ -104,7 +104,7 @@ def main():
 
     pep8style = pep8.StyleGuide(parse_argv=True, config_file=True)
     options = pep8style.options
-    complexity = options.max_complexity
+    complexity = opts.max_complexity
     builtins = set(opts.builtins.split(','))
     warnings = 0
     stdin = None
@@ -125,7 +125,7 @@ def main():
         stdin = read_stdin()
         warnings += check_code(stdin, opts.ignore, complexity)
 
-    if options.exit_zero:
+    if opts.exit_zero:
         raise SystemExit(0)
 
     raise SystemExit(warnings)
@@ -186,49 +186,6 @@ def run(command):
             [line.strip() for line in p.stderr.readlines()])
 
 
-def git_hook(complexity=-1, strict=False, ignore=None, lazy=False):
-    _initpep8()
-    if ignore:
-        pep8style.options.ignore = ignore
-
-    warnings = 0
-
-    gitcmd = "git diff-index --cached --name-only HEAD"
-    if lazy:
-        gitcmd = gitcmd.replace('--cached ', '')
-
-    _, files_modified, _ = run(gitcmd)
-    for filename in files_modified:
-        ext = os.path.splitext(filename)[-1]
-        if ext != '.py':
-            continue
-        if not os.path.exists(filename):
-            continue
-        warnings += check_file(path=filename, ignore=ignore,
-                               complexity=complexity)
-
-    if strict:
-        return warnings
-
-    return 0
-
-
-def hg_hook(ui, repo, **kwargs):
-    _initpep8()
-    complexity = ui.config('flake8', 'complexity', default=-1)
-    warnings = 0
-
-    for file_ in _get_files(repo, **kwargs):
-        warnings += check_file(file_, complexity)
-
-    strict = ui.configbool('flake8', 'strict', default=True)
-
-    if strict:
-        return warnings
-
-    return 0
-
-
 try:
     from setuptools import Command
 except ImportError: