in amazon_transcribe/request.py [0:0]
def prepare_params(self) -> str:
"""Converts dictionary of params into query string"""
query_list = []
for k, v in self.params.items():
if v is None:
# empty values should just apply the key
# e.g. foo=None, bar=baz -> foo&bar=baz
query_list.append(k)
else:
query_list.append(f"{k}={v}")
return "&".join(query_list)