class_docstr: MLflow entity for Model Version.
class_docstr_tok: ["MLflow","entity","for","Model","Version","."]
code: def _add_tag(self, tag):
      self._tags[tag.key] = tag.value
  
imports: from mlflow.entities.model_registry._model_registry_entity import _ModelRegistryEntity
  from mlflow.entities.model_registry.model_version_status import ModelVersionStatus
  from mlflow.entities.model_registry.model_version_tag import ModelVersionTag
  from mlflow.protos.model_registry_pb2 import ModelVersion
  from mlflow.protos.model_registry_pb2 import ModelVersionTag
label_desc: Use image node_id 22 for calling the ModelVersion obj's underlying member method code with example usage: obj._add_tag(tag) without return types