docs: def get(self, version):
          """ Endpoint that renders an OpenApi spec for all views that belong
              to a certain version
          ---
          get:
            parameters:
            - in: path
              schema:
                type: string
              name: version
            responses:
              200:
                description: Item from Model
                content:
                  application/json:
                    schema:
                      type: object
              404:
                $ref: '#/components/responses/404'
              500:
                $ref: '#/components/responses/500'
          """
          version_found = False
          api_spec = self._create_api_spec(version)
          for base_api in current_app.appbuilder.baseviews:
              if isinstance(base_api, BaseApi) and base_api.version == version:
                  base_api.add_api_spec(api_spec)
                  version_found = True
          if version_found:
              return self.response(200, **api_spec.to_dict())
          else:
              return self.response_404()