openai adapter usage is unavailable

[zhipeng9802]

System Info

qianfan version

• qianfan[openai]: ^0.4.8.1

system version

• python version: ^3.11
• operating system: centos7

Reproduction

curl -X 'POST' \
  'http://127.0.0.1:8001/v1/chat/completions' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "ERNIE-3.5-8K",
    "stream_options": {"include_usage": true},
    "messages": [
        {
            "role": "system",
            "content": "You are a helpful assistant."
        },
        {
            "role": "user",
            "content": "hello"
        }
    ],
    "stream": true
  }'

[Dobiichi-Origami]

已修复，请关注下一次发版