code: def validate(env_manager):
      allowed_values = [LOCAL, CONDA, VIRTUALENV]
      if env_manager not in allowed_values:
          raise MlflowException(
              f"Invalid value for `env_manager`: {env_manager}. Must be one of {allowed_values}",
              error_code=INVALID_PARAMETER_VALUE,
          )
  
label_desc: Use image node_id 1 for calling a global function with example usage: validate(env_manager) without return types