Defaulted webhook endpoint version to the configured setting

djstripe/admin/forms.py

@@ -10,6 +10,7 @@
 from stripe.error import AuthenticationError, InvalidRequestError, PermissionError
 
 from djstripe import enums, models, utils
+from djstripe.settings import djstripe_settings
 from djstripe.signals import ENABLED_EVENTS
 
 
@@ -219,6 +220,12 @@ def _post_clean(self):
 
         return super()._post_clean()
 
+    def get_initial_for_field(self, field, field_name):
+        if field_name == "api_version":
+            return djstripe_settings.STRIPE_API_VERSION
+        return super().get_initial_for_field(field, field_name)
+
+
 
 class WebhookEndpointAdminEditForm(WebhookEndpointAdminBaseForm):
     enabled_events = forms.MultipleChoiceField(