Fix more pytype errors

aio-libs · Jan 13, 2023 · 91ec12e · 91ec12e
1 parent fab75bc
commit 91ec12e
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/aiosmtpd/docs/_exts/autoprogramm.py b/aiosmtpd/docs/_exts/autoprogramm.py
@@ -40,7 +40,7 @@
 from docutils.statemachine import StringList
 from functools import reduce
 from sphinx.util.nodes import nested_parse_with_titles
-from typing import Any, Dict, List, Optional, Tuple
+from typing import Any, Dict, List, Optional, Tuple, cast
 
 
 __all__ = ("AutoprogrammDirective", "import_object", "scan_programs", "setup")
@@ -112,7 +112,11 @@ def scan_options(actions: list):
 
 def format_positional_argument(arg: argparse.Action) -> Tuple[List[str], str]:
     desc: str = (arg.help or "") % {"default": arg.default}
-    name: str = arg.metavar or arg.dest or ""
+    name: str
+    if isinstance(arg.metavar, tuple):
+        name = arg.metavar[0]
+    else:
+        name = arg.metavar or arg.dest or ""
     return [name], desc