chore: resolve flake8 linting errors

watson/routing/__init__.py

@@ -1,2 +1,2 @@
 # -*- coding: utf-8 -*-
-__version__ = '1.2.3'
+__version__ = '1.2.4'

watson/routing/routers.py

@@ -292,6 +292,7 @@ def __init__(self, routes=None, build_strategies=None):
                 self.add_definition(route_definition)
         self.sort()
 
+
 # Deprecated, will be removed in the next major version
 
 ListRouter = List

watson/routing/routes.py

@@ -134,7 +134,7 @@ def match(self, request):
         """
         params = self.defaults.copy()
         requires = self.requires.copy()
-        if not request.method in self._accepts:
+        if request.method not in self._accepts:
             return None
         if 'subdomain' in self.requires:
             del requires['subdomain']
@@ -173,8 +173,9 @@ def __repr__(self):
                 self.path)
         )
 
-segments_pattern = re.compile('(?P<static>[^:\[\]]*)(?P<token>[:\[\]]|$)')
-token_pattern = re.compile('(?P<name>[^:/\[\]]+)')
+
+segments_pattern = re.compile(r'(?P<static>[^:\[\]]*)(?P<token>[:\[\]]|$)')
+token_pattern = re.compile(r'(?P<name>[^:/\[\]]+)')
 optional_segment_string = '(?:{value})?'
 value_pattern_string = '(?P<{value}>{end})'
 end_pattern_string = '[^/]+'
@@ -359,8 +360,8 @@ def match(self, request):
     @classmethod
     def builder(cls, **definition):
         if ('regex' in definition
-                or ('path' in definition
-                    and any((c in {'[', ':'}) for c in definition['path']))):
+                or ('path' in definition  # noqa
+                    and any((c in {'[', ':'}) for c in definition['path']))):  # noqa
             return cls(**definition)
         raise TypeError('Not a valid Segment')
 
@@ -413,6 +414,7 @@ def match(self, request):
     def builder(cls, **definition):
         return cls(**definition)
 
+
 # Deprecated, will be removed in the next major version
 
 BaseRoute = Base