diff --git a/readthedocs/core/resolver.py b/readthedocs/core/resolver.py
index 89a5470baa8..06d26e336d3 100644
--- a/readthedocs/core/resolver.py
+++ b/readthedocs/core/resolver.py
@@ -171,8 +171,12 @@ def resolve(self, project, require_https=False, filename='', private=None,
         return '{protocol}://{domain}{path}'.format(
             protocol=protocol,
             domain=domain,
-            path=self.resolve_path(project, filename=filename, private=private,
-                                   **kwargs),
+            path=self.resolve_path(
+                project,
+                filename=filename,
+                private=private,
+                **kwargs,
+            ),
         )
 
     def _get_canonical_project(self, project, projects=None):