Serverless pod tasks stay "IN_QUEUE" forever

CMD ["python", "-u", "runpod.py"]

import runpod
from api import handle

def handler(event):
    print('In handler')
    input = event['input']
    return handle(
        input.get("is_stream", False),
        input.get("clip_id"),
        input.get("refer_wav_path"),
        input.get("prompt_text"),
        input.get("prompt_language"),
        input.get("text"),
        input.get("text_language"),
        input.get("cut_punc"),
        input.get("top_k", 15),
        input.get("top_p", 1.0),
        input.get("temperature", 1.0),
        input.get("speed", 1.0),
        input.get("inp_refs", [])
    )

if __name__ == 'main':
    print('In runpod.py...')
    runpod.serverless.start({'handler': handler})
    print('started handler!')

{
  "input": {
    "clip_id": "12345",
    "is_stream": false,
    "refer_wav_path": "test_short.wav",
    "prompt_text": "Reference text here",
    "prompt_language": "en",
    "text": "Generate this text!",
    "text_language": "en"
  }
}