def _merge_two_dicts(a, b):
    """Merges two dictionaries together. If the same key is present in both input dictionaries, the value from 'b'
    dominates."""
    result = a.copy()
    result.update(b)
    return result
Merges two dictionaries together. If the same key is present in both input dictionaries, the value from 'b'
    dominates.
petastorm/py_dict_reader_worker.py