assert

adamchainz · Aug 28, 2022 · 8fe81b5 · 8fe81b5
1 parent 5cd4c5b
commit 8fe81b5
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/django_mysql/models/fields/sets.py b/src/django_mysql/models/fields/sets.py
@@ -163,6 +163,7 @@ def check(self, **kwargs: Any) -> list[checks.CheckMessage]:
             and isinstance(self.base_field, CharField)
             and self.size
         ):
+            assert self.base_field.max_length is not None
             max_size = (
                 # The chars used
                 (self.size * (self.base_field.max_length))