Issue: 401 error when using ConversationalRetrievalQAChain
Labels: name: auto:bug

### Issue you'd like to raise.

Everything was working fine 10 min ago, but now when I use the ConversationalRetrievalQAChain I always get a 401 error, I tried 2 difrent API keys and the error persists, don't really know what the issue mght be, any ideas? 

This is the error log:
[chain/error] [1:chain:conversational_retrieval_chain] [315ms] Chain run errored with error: "Request failed with status code 401"
error Error: Request failed with status code 401
    at createError (EDITED\node_modules\axios\lib\core\createError.js:16:15)
    at settle (EDITED\node_modules\axios\lib\core\settle.js:17:12)
    at IncomingMessage.handleStreamEnd (EDITED\node_modules\axios\lib\adapters\http.js:322:11)
    at IncomingMessage.emit (node:events:525:35)
    at IncomingMessage.emit (node:domain:489:12)
    at endReadableNT (node:internal/streams/readable:1359:12)
    at processTicksAndRejections (node:internal/process/task_queues:82:21) {
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      'User-Agent': 'OpenAI/NodeJS/3.2.1',
      Authorization: 'Bearer EDITED',
      'Content-Length': 53
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    method: 'post',
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    path: '/v1/embeddings',
    _ended: true,
    res: IncomingMessage {
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      date: 'Fri, 30 Jun 2023 16:16:14 GMT',
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      maxBodyLength: -1,
      validateStatus: [Function: validateStatus],
      headers: [Object],
      method: 'post',
      data: '{"model":"text-embedding-ada-002","input":"hi there"}',
      url: 'https://api.openai.com/v1/embeddings'
    },
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