Create mock arguments for future Python script

mock-args.py

# Mock Args class, to be replaced with argparse or equivalent later 
class Args:
    def __init__(self, **attrs):
        self.__dict__.update(attrs)

args = Args(**{
    "input_basepath" : "/home/nay/git-repos/w2v2-10min-exps/data/MASS-1h",
    "train_tsv" : "train1h.tsv",
    "valid_tsv" : "dev.tsv",
    "output_basepath" : "/home/nay/librispeech-1h-fairseq/manifest-MASS-1h"
})