调用文心一言api报错the length of messages must be an odd number解决方
报错的产生当我调用gpt-4的时候，我的message如下：
"messages": [
{
"role": "system",
"content": "你是一个数学家",
},
{
"role": "user",
"content": "1+1等于几"
}
]
可以或许生成我想要的答案，但是gpt-4的api太贵了，于是我灵机一动，换成了免费的ERNIE-Speed-8K，代码酿成如下：
import requests
import json
API_KEY = ""
SECRET_KEY = ""
def main():
url = "https://aip.baidubce.com/rpc/2.0/ai_custom/v1/wenxinworkshop/chat/ernie_speed?access_token=" + get_access_token()
payload = json.dumps({
"messages": [
{
"role": "system",
"content": "你是一个数学家",
},
{
"role": "user",
"content": "1+1等于几"
}
],
"temperature": 1,
"top_p": 1
})
headers = {
'Content-Type': 'application/json'
}
response = json.loads(requests.request("POST", url, headers=headers, data=payload).text)
print(response)
def get_access_token():
url = "https://aip.baidubce.com/oauth/2.0/token"
params = {"grant_type": "client_credentials", "client_id": API_KEY, "client_secret": SECRET_KEY}
return str(requests.post(url, params=params).json().get("access_token"))
if __name__ == '__main__':
main()
但是报错了{'error_code': 336006, 'error_msg': 'the length of messages must be an odd number', 'id': 'as-i3svf9qncg'}
报错说消息必须是基数，我又灵机一动，将message改为如下：
"messages": [
{
"role": "system",
"content": "你是一个数学家",
},
{
"role": "user",
"content": "1+1等于几"
},
{
"role": "user",
"content": "告诉我答案"
}
],
但是仍然报错{'error_code': 336006, 'error_msg': 'the length of messages must be an odd number', 'id': 'as-i3svf9qncg'}
好吧，您高贵，我继续换
"messages": [
{
"role": "system",
"content": "你是一个数学家",
},
{
"role": "user",
"content": "1+1等于几"
},
{
"role": "assistant",
"content": "1+1等于几"
}
]
报错酿成{'error_code': 336006, 'error_msg': 'the role of first message must be user', 'id': 'as-vgqmazcvbf'}了
怎么解决
在各种尝试各种报错后，我去翻看官方文档，化身福尔摩斯后找到了解决方案，system和assistant不是不让放内里吗，那我放外面总行了吧，酿成如许
"messages": [
{
"role": "user",
"content": "1+1等于几"
}
],
"system": "你是一个数学家",
完备代码如下
import requests
import json
API_KEY = ""
SECRET_KEY = ""
def main():
url = "https://aip.baidubce.com/rpc/2.0/ai_custom/v1/wenxinworkshop/chat/ernie_speed?access_token=" + get_access_token()
payload = json.dumps({
"messages": [
{
"role": "user",
"content": "1+1等于几"
}
],
"system": "你是一个数学家",
"temperature": 1,
"top_p": 1
})
headers = {
'Content-Type': 'application/json'
}
response = json.loads(requests.request("POST", url, headers=headers, data=payload).text)
print(response)
def get_access_token():
url = "https://aip.baidubce.com/oauth/2.0/token"
params = {"grant_type": "client_credentials", "client_id": API_KEY, "client_secret": SECRET_KEY}
return str(requests.post(url, params=params).json().get("access_token"))
if __name__ == '__main__':
main() 终于能生成答案了，感天动地
https://i-blog.csdnimg.cn/direct/d2ffe59601aa4500801eab5c9a572ee2.png
记载一下，文心一言太难用了，有很多其他额外的限定
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