Added fix to #2954: Pickling MlFlowClient Crash (#2955)
Added fix to #2954: Pickling MlFlowClient Crash (#2955)

Co-authored-by: Zackery Steck <05e1cf00b4b0c1db08ee2eec847bb9d1d2571687@etegent.com>
Co-authored-by: Corey Zumar <788ee0e05c0d85f4cc00fcea01dd78b80b5c7e71@databricks.com>
mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow