From 2ff413f8f05ca03dd808676aa617b3376abf9f0b Mon Sep 17 00:00:00 2001 From: Stijn de Gooijer Date: Fri, 23 Sep 2022 18:04:04 +0200 Subject: [PATCH] Fix mypy error --- src/black/files.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/black/files.py b/src/black/files.py index 1b6eccfb850..d6164de1f52 100644 --- a/src/black/files.py +++ b/src/black/files.py @@ -194,7 +194,7 @@ def parse_req_python_specifier(requires_python: str) -> Optional[TargetVersion]: target_version_map = {f"3.{v.value}": v for v in TargetVersion} compatible_versions = specifier_set.filter(target_version_map) - target_version_str: Optional[str] = next(compatible_versions, None) + target_version_str: Optional[str] = next(iter(compatible_versions), None) if target_version_str is not None: return target_version_map.get(target_version_str) return None