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Fix AttributeError: __metadata__ on Python 3.13 #304

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Merged
davidparsson merged 1 commit into from
Jan 9, 2026
Merged

Fix AttributeError: __metadata__ on Python 3.13 #304

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3 changes: 2 additions & 1 deletion injector/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1258,7 +1258,8 @@ def get_bindings(callable: Callable) -> Dict[str, type]:
if not hasattr(callable, '__bindings__'):
type_hints = get_type_hints(callable, include_extras=True)
has_injectable_parameters = any(
_is_specialization(v, Annotated) and _inject_marker in v.__metadata__ for v in type_hints.values()
_is_specialization(v, Annotated) and _inject_marker in getattr(v, "__metadata__", ())
for v in type_hints.values()
)

if not has_injectable_parameters:
Expand Down