def _fill_schemas_from_definitions(self, obj):
        """At first create schemas without 'AllOf'
        :param obj:
        :return: None
        """
        if obj.get('definitions'):
            self.schemas.clear()
            all_of_stack = []
            for name, definition in obj['definitions'].items():
                if 'allOf' in definition:
                    all_of_stack.append((name, definition))
                else:
                    self.schemas.create_schema(
                        definition, name, SchemaTypes.DEFINITION, root=self)
            while all_of_stack:
                name, definition = all_of_stack.pop(0)
                self.schemas.create_schema(
                    definition, name, SchemaTypes.DEFINITION, root=self)
At first create schemas without 'AllOf'
        :param obj:
        :return: None