Redundant word in error message (#4644)
Redundant word in error message (#4644)

original error message: Result type can only be one of or an array of one of the following types **types**...
proposed error message: Result type can only be one of or an array of one of the following types...

Signed-off-by: Jay Xu <9c38713b704f509da2807bbd9892c7759a7d8d00@apple.com>
mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow