More error checking in feature detection (#1088)

importlib.metadata.version() can return None in some cases, even though it's not documented as doing so. Treat that as an error.
rthalley · Jun 5, 2024 · 369a846 · 369a846
1 parent 9493345
commit 369a846
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/dns/_features.py b/dns/_features.py
@@ -32,6 +32,9 @@ def _version_check(
  package, minimum = requirement.split(">=")
  try:
  version = importlib.metadata.version(package)
+ # This shouldn't happen, but it apparently can.
+ if version is None:
+ return False
  except Exception:
  return False
  t_version = _tuple_from_text(version)