[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

piptools/resolver.py

@@ -746,7 +746,9 @@ def _get_install_requirements(
     def _get_reverse_dependencies(
         resolver_result: Result,
     ) -> dict[str, set[str]]:
-        reverse_dependencies: collections.defaultdict[str, set[str]] = collections.defaultdict(set)
+        reverse_dependencies: collections.defaultdict[str, set[str]] = (
+            collections.defaultdict(set)
+        )
 
         for candidate in resolver_result.mapping.values():
             stripped_name = strip_extras(canonicalize_name(candidate.name))