Fix PEP 8 warnings (#148)
Fix PEP 8 warnings (#148)

Fix the following PEP 8 warnings:

    * E302 expected 2 blank lines, found 1
    * E201 whitespace after '('
mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow