timeframe = None
for meter_id, generator in zip(identifiers, generators):
try:
chunk_from_next_meter = next(generator)
except StopIteration:
continue
if timeframe is None:
After Change
timeframe = None
for meter_id, generator in zip(identifiers, generators):
try:
chunk_from_next_meter, timeframe, index = _load_and_reindex_chunk(
generator, timeframe, index)
except StopIteration:
continue