test_400.py

import requests
url = "http://127.0.0.1:3900/generate"
data = {
    "text": "test",
    "num_step": 16,
    "guidance_scale": 2.0,
    "speed": 1.0,
    "denoise": True,
    "postprocess_output": True,
    "t_shift": "null"
}
resp = requests.post(url, data=data)
print(f"Status: {resp.status_code}")
print(resp.text)