diff --git a/src/wurf/semver_selector.py b/src/wurf/semver_selector.py
index 309d59b..769bb17 100644
--- a/src/wurf/semver_selector.py
+++ b/src/wurf/semver_selector.py
@@ -17,6 +17,7 @@
     re.VERBOSE,
 )
 
+
 class SemverSelector(object):
     """
     Selects the most recent tag for a semver major version.
@@ -90,7 +91,8 @@ def _semver_coerce(self, version):
             return None
 
         ver = {
-            key: 0 if value is None else int(value) for key, value in match.groupdict().items()
+            key: 0 if value is None else int(value)
+            for key, value in match.groupdict().items()
         }
         return self.semver.VersionInfo(**ver)
 
diff --git a/test/python/test_semver_selector.py b/test/python/test_semver_selector.py
index ac4f5a7..f929729 100644
--- a/test/python/test_semver_selector.py
+++ b/test/python/test_semver_selector.py
@@ -17,7 +17,7 @@ def test_semver_selector():
         "3.0.0",
         "3.0.0-lts.0",
         "3.0.0-lts.1",
-        "backups/3.1.0-lts.0", # Do not match non-toplevel tags.
+        "backups/3.1.0-lts.0",  # Do not match non-toplevel tags.
         "4.0.0",
         "v4.0.1",
         "5.0.0",