explain try-catch

pallets · Apr 26, 2024 · 3c8cc63 · 3c8cc63
1 parent 4d8b1c2
commit 3c8cc63
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/werkzeug/datastructures/structures.py b/src/werkzeug/datastructures/structures.py
@@ -129,6 +129,8 @@ def pop(self, key, default=_missing, type=None):
  return None
  return default
  try:
+ # This method is not meant to be thread-safe, but at least lets not
+ # fall over if the dict was mutated between the get and the delete. -MK
  del self[key]
  except KeyError:
  pass