Fix #828: add cloudpickle package to conda.yaml in examples/sklearn_elasticnet_wine running in docker (#829)
Fix #828: add cloudpickle package to conda.yaml in examples/sklearn_elasticnet_wine running in docker (#829)

* Fix #828: add cloudpickle package to conda.yaml

* pinned cloudpickle to make compatible for py3.6

mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow