OpenConceptLab/ocl_issues#2038 | fixing openmrs validation schema concept class check

Author: snyaggarwal

core/concepts/custom_validators.py

@@ -170,7 +170,10 @@ def no_more_than_one_short_name_per_locale(concept):
             short_names_per_locale[name.locale] = True
 
     def concept_class_should_be_valid_attribute(self, concept):
-        if concept.concept_class not in self.reference_values['Classes']:
+        if not concept.concept_class or (
+                concept.concept_class not in self.reference_values['Classes'] and
+                concept.concept_class.replace('-', ' ') not in self.reference_values['Classes']
+        ):
             raise ValidationError({'concept_class': [OPENMRS_CONCEPT_CLASS]})
 
     def data_type_should_be_valid_attribute(self, concept):