in src/chug/wds/filters.py [0:0]
def _flatten_nested(data, *args, replace_existing=True, remove_original=True):
"""Convert dict samples to tuples."""
for sample in data:
for k in args:
nested_dict = sample.pop(k, {}) if remove_original else sample.get(k, {})
if replace_existing:
sample.update(nested_dict)
elif k in sample:
for sk, sv in nested_dict.items():
sample.setdefault(sk, sv)
yield sample