allow running python3 setup.py flake8

connexion/__init__.py

@@ -14,7 +14,7 @@ Unless required by applicable law or agreed to in writing, software distributed
 """
 
 
-from flask import abort, request, send_file, send_from_directory, render_template, render_template_string, url_for
-from connexion.app import App
-from connexion.api import Api
-import werkzeug.exceptions as exceptions
+from flask import abort, request, send_file, send_from_directory, render_template, render_template_string, url_for  # noqa
+from connexion.app import App  # noqa
+from connexion.api import Api  # noqa
+import werkzeug.exceptions as exceptions  # noqa

connexion/utils.py

@@ -22,16 +22,16 @@ def flaskify_endpoint(identifier: str) -> str:
 
 
 def flaskify_path(swagger_path: str) -> str:
-        """
-        Convert swagger path templates to flask path templates
-        """
-        translation_table = str.maketrans('{-}', '<_>')
-        # TODO add types
-        return swagger_path.translate(translation_table)
+    """
+    Convert swagger path templates to flask path templates
+    """
+    translation_table = str.maketrans('{-}', '<_>')
+    # TODO add types
+    return swagger_path.translate(translation_table)
 
 
 def get_function_from_name(operation_id: str):
-        module_name, function_name = operation_id.rsplit('.', maxsplit=1)
-        module = importlib.import_module(module_name)
-        function = getattr(module, function_name)
-        return function
+    module_name, function_name = operation_id.rsplit('.', maxsplit=1)
+    module = importlib.import_module(module_name)
+    function = getattr(module, function_name)
+    return function

tox.ini

@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 120