fix bug [issubclass() arg 1 must be a class]

Friskes · May 2, 2024 · e9e9d20 · e9e9d20
1 parent 93a0054
commit e9e9d20
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/pyproject.toml b/pyproject.toml
@@ -60,6 +60,7 @@ ci = [
 
 
 [project.urls]
+"Documentation" = "https://github.com/Friskes/drf-serializer-dumps"  # Home-page in pip show
 "Repository" = "https://github.com/Friskes/drf-serializer-dumps"
 "Changelog" = "https://github.com/Friskes/drf-serializer-dumps/releases/"
 "Bug Reports" = "https://github.com/Friskes/drf-serializer-dumps/issues"

diff --git a/src/drf_serializer_dumps/decorators.py b/src/drf_serializer_dumps/decorators.py
@@ -16,6 +16,8 @@
 
 __all__ = ('serializer_dumps',)
 
+UnionType = type(int | str)  # py 3.8 does not have types.UnionType
+
 _uuid = uuid4()
 _now = timezone.now()
 
@@ -152,8 +154,8 @@ def _get_type_value(
         annotation = get_type_hints(method).get('return')
 
         # origin = get_origin(annotation)
-        # if origin is Union or origin is type(Union):
-        if get_origin(annotation) in (Union, type(Union)):
+        # if origin is Union or origin is UnionType:
+        if get_origin(annotation) in (Union, UnionType):
             annotation = get_args(annotation)[0]
 
         type_value = type_mapping.get(open_api_type)