if the user makes a mistake and try to read in a file from disk using hc.as_h2o_frame and it executes without any error msg making user wonder where is the parsed file
>>> hdf = hc.as_h2o_frame("/Users/nidhimehta/Downloads/ml_K.snappy.parquet")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'NoneType' object has no attribute 'show'