Fix references for PartCategoryParameterTemplate

Author: SchrodingersGat

inventree/part.py

@@ -24,7 +24,14 @@ def getCategory(self):
 
     def getTemplate(self):
         """Return the referenced ParameterTemplate instance"""
-        return PartParameterTemplate(self._api, self.parameter_template)
+
+        template_id = getattr(self, 'template', None) or getattr(self, 'parameter_template', None)
+
+        if self._api.api_version < inventree.base.ParameterTemplate.MIN_API_VERSION:
+            # Return legacy PartParameterTemplate object
+            return PartParameterTemplate(self._api, template_id)
+
+        return inventree.base.ParameterTemplate(self._api, template_id)
 
 
 class PartCategory(inventree.base.MetadataMixin, inventree.base.InventreeObject):

test/test_part.py

@@ -150,7 +150,7 @@ def test_part_category_parameter_templates(self):
                     self.api,
                     data={
                         'category': electronics.pk,
-                        'parameter_template': template.pk,
+                        'template': template.pk,
                         'default_value': 123,
                     }
                 )