[Python] Python requests HTTP PUT results in ChunkedEncodingError

When executing the code below, the ChunkedEncodingError is always raised. Why could this be?

try:
r = requests.put(
url,
data=payload, # encodings.utf_8.encode(payload)[0],
headers={
'Content-Type': 'application/json; charset=utf-8',
'Accept': 'application/json',
'Accept-Charset': 'UTF-8',
'Accept-Encoding': '*', # 'deflate, gzip, compress, br, zstd, identity'
},
auth=HTTPDigestAuth(
access_obj['pubKey'],
access_obj['privKey']
),
stream=False
)
except ChunkedEncodingError as ex:
print(f"Invalid chunk encoding {str(ex)}")

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