pydantic_core._pydantic_core.PydanticSerializationError: Unable to serialize unknown type: <class 'dataclasses._HAS_DEFAULT_FACTORY_CLASS'>

[vaskers5]

Here is code example:

import requests

gen_conf = {'enable_hr': False, 'denoising_strength': 1,
            'firstphase_width': 0, 'firstphase_height': 0,
            'hr_scale': 2, 'hr_upscaler': 'string', 'hr_second_pass_steps': 0,
            'hr_resize_x': 0, 'hr_resize_y': 0,
            'hr_sampler_name': 'string',
            'hr_prompt': '', 'hr_negative_prompt': '',
            'styles': ['string'], 'seed': -1, 'subseed': -1, 'subseed_strength': 0,
            'seed_resize_from_h': -1, 'seed_resize_from_w': -1, 'batch_size': 1,
            'n_iter': 1, 'restore_faces': False, 'tiling': False, 'do_not_save_samples': False,
            'do_not_save_grid': False, 'eta': 0, 's_min_uncond': 5, 's_churn': 0, 's_tmax': None, 's_tmin': 0,
            's_noise': 1, 'override_settings_restore_afterwards': True, 'script_args': [], 'send_images': True, 'save_images': False, 'alwayson_scripts': {},
            'prompt': 'photo, closeup face portrait, female, (__lovescape-european__:1.4) , (Average:1.2) body BREAK female, (Blond:1.1) hair, (Straight:1.1) hairstyle BREAK female, (24 yo, young:1). (__lovescape-lips-2__:1), (__lovescape-noses-2__:1) nose, (__lovescape-faces-2__:1), (__lovescape-eyes-2__:1), (__lovescape-jaw-2__:1) jaw, (__lovescape-brows-2__:1) brows , (Fitness coach:1) occupation, ({tall|medium|short}:1) body height',
            'negative_prompt': 'nude, naked, topless', 'steps': 6, 'cfg_scale': 3, 'width': 768, 'height': 1024,
            'override_settings': {'sd_model_checkpoint': 'dreamshaperXL_v21TurboDPMSDE.safetensors', 'CLIP_stop_at_last_layers': 2},
            'sampler_index': 'DPM++ SDE', 'scheduler': 'Karras'}

url = "http://0.0.0.0:7862/sdapi/v1/txt2img"

from PIL import Image
import base64
import io


gen_conf_1 = gen_conf.copy()
gen_conf_1['override_settings']['sd_model_checkpoint'] = 'colorfulxl_v70'

response = requests.post(
                    url=url,
                    headers={"accept": "application/json"},
                    json=gen_conf,
                )
img = response.json()["images"][0].split(",", 1)[0]

# Decode the base64 string
img_data = base64.b64decode(img)

# Create a BytesIO object from the decoded data
img_buffer = io.BytesIO(img_data) 

# Create a PIL image from the BytesIO object
image = Image.open(img_buffer)

# Display the image
image.show()

here is error log:

`{
"name": "JSONDecodeError",
"message": "Expecting value: line 1 column 1 (char 0)",
"stack": "---------------------------------------------------------------------------
JSONDecodeError Traceback (most recent call last)
File ~/anaconda3/envs/work/lib/python3.10/site-packages/requests/models.py:974, in Response.json(self, **kwargs)
973 try:
--> 974 return complexjson.loads(self.text, **kwargs)
975 except JSONDecodeError as e:
976 # Catch JSON-related errors and raise as requests.JSONDecodeError
977 # This aliases json.JSONDecodeError and simplejson.JSONDecodeError

File ~/anaconda3/envs/work/lib/python3.10/json/init.py:346, in loads(s, cls, object_hook, parse_float, parse_int, parse_constant, object_pairs_hook, **kw)
343 if (cls is None and object_hook is None and
344 parse_int is None and parse_float is None and
345 parse_constant is None and object_pairs_hook is None and not kw):
--> 346 return _default_decoder.decode(s)
347 if cls is None:

File ~/anaconda3/envs/work/lib/python3.10/json/decoder.py:337, in JSONDecoder.decode(self, s, _w)
333 """Return the Python representation of s (a str instance
334 containing a JSON document).
335
336 """
--> 337 obj, end = self.raw_decode(s, idx=_w(s, 0).end())
338 end = _w(s, end).end()

File ~/anaconda3/envs/work/lib/python3.10/json/decoder.py:355, in JSONDecoder.raw_decode(self, s, idx)
354 except StopIteration as err:
--> 355 raise JSONDecodeError("Expecting value", s, err.value) from None
356 return obj, end

JSONDecodeError: Expecting value: line 1 column 1 (char 0)

During handling of the above exception, another exception occurred:

JSONDecodeError Traceback (most recent call last)
Cell In[7], line 14
7 gen_conf_1['override_settings']['sd_model_checkpoint'] = 'colorfulxl_v70'
9 response = requests.post(
10 url=url,
11 headers={"accept": "application/json"},
12 json=gen_conf,
13 )
---> 14 img = response.json()["images"][0].split(",", 1)[0]
16 # Decode the base64 string
17 img_data = base64.b64decode(img)

File ~/anaconda3/envs/work/lib/python3.10/site-packages/requests/models.py:978, in Response.json(self, **kwargs)
974 return complexjson.loads(self.text, **kwargs)
975 except JSONDecodeError as e:
976 # Catch JSON-related errors and raise as requests.JSONDecodeError
977 # This aliases json.JSONDecodeError and simplejson.JSONDecodeError
--> 978 raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)

JSONDecodeError: Expecting value: line 1 column 1 (char 0)"
}
`

[vaskers5]

working on fix, looks like simple pydantic bug

[rockiecxh]

encountered the same issue

[dermesut]

same here.
txt2img via api is broken now. img2img works.

[altoiddealer]

Here to report the same issue.

Traceback (most recent call last):
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\uvicorn\protocols\http\h11_impl.py", line 396, in run_asgi
    result = await app(  # type: ignore[func-returns-value]
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\uvicorn\middleware\proxy_headers.py", line 70, in __call__
    return await self.app(scope, receive, send)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\fastapi\applications.py", line 1106, in __call__
    await super().__call__(scope, receive, send)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\starlette\applications.py", line 122, in __call__
    await self.middleware_stack(scope, receive, send)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\starlette\middleware\errors.py", line 184, in __call__
    raise exc
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\starlette\middleware\errors.py", line 162, in __call__
    await self.app(scope, receive, _send)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\gradio\route_utils.py", line 724, in __call__
    await self.app(scope, receive, send)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\starlette\middleware\exceptions.py", line 79, in __call__
    raise exc
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\starlette\middleware\exceptions.py", line 68, in __call__
    await self.app(scope, receive, sender)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\fastapi\middleware\asyncexitstack.py", line 20, in __call__
    raise e
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\fastapi\middleware\asyncexitstack.py", line 17, in __call__
    await self.app(scope, receive, send)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\starlette\routing.py", line 718, in __call__
    await route.handle(scope, receive, send)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\starlette\routing.py", line 276, in handle
    await self.app(scope, receive, send)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\starlette\routing.py", line 66, in app
    response = await func(request)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\fastapi\routing.py", line 292, in app
    content = await serialize_response(
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\fastapi\routing.py", line 160, in serialize_response    return field.serialize(
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\fastapi\_compat.py", line 147, in serialize
    return self._type_adapter.dump_python(
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\pydantic\type_adapter.py", line 142, in wrapped
    return func(self, *args, **kwargs)
  File "C:\0_SD\stable-diffusion-webui-forge\venv\lib\site-packages\pydantic\type_adapter.py", line 458, in dump_python
    return self.serializer.to_python(
pydantic_core._pydantic_core.PydanticSerializationError: Unable to serialize unknown type: <class 'dataclasses._HAS_DEFAULT_FACTORY_CLASS'>

[hwoitke]

Same issue. (calling the API via typescript client).

[vaskers5]

#2138

I fixed it here, just a simple bug