How to Run Text Generation Inference on Serverless?

{
  "delayTime": 100308,
  "error": "handler: module 'runpod.serverless.modules' has no attribute 'rp_metrics' \ntraceback: Traceback (most recent call last):\n  File \"/opt/conda/lib/python3.10/site-packages/runpod/serverless/modules/rp_job.py\", line 194, in run_job_generator\n    async for output_partial in job_output:\n  File \"/handler.py\", line 75, in handler_streaming\n    runpod.serverless.modules.rp_metrics.metrics_collector.update_stream_aggregate(\nAttributeError: module 'runpod.serverless.modules' has no attribute 'rp_metrics'\n",
  "executionTime": 376,
  "id": "d5ff5d8d-acf5-40a3-8ffb-1ee5ce48f8d3-e1",
  "status": "FAILED"
}