diff --git a/openapi_core/contrib/django/requests.py b/openapi_core/contrib/django/requests.py
index bac713ea..67584239 100644
--- a/openapi_core/contrib/django/requests.py
+++ b/openapi_core/contrib/django/requests.py
@@ -20,7 +20,9 @@
 # is exported, after which it matches ">" and everything until a "/".
 # A check is made to ensure that "/" is not in an excluded character set such
 # as may be found with Django REST Framwork's default value pattern, "[^/.]+".
-PATH_PARAMETER_PATTERN = r"(?:[^/]*?)<(?:(?:.*?:))*?(\w+)>(?:(?:[^/]*?\[\^[^/]*/)?[^/]*)"
+PATH_PARAMETER_PATTERN = (
+    r"(?:[^/]*?)<(?:(?:.*?:))*?(\w+)>(?:(?:[^/]*?\[\^[^/]*/)?[^/]*)"
+)
 
 
 class DjangoOpenAPIRequest: