Fix bare base64 not accept

import time

import time

import uvicorn

import uvicorn

from threading import Lock

from threading import Lock

from io import BytesIO

from gradio.processing_utils import encode_pil_to_base64, decode_base64_to_file, decode_base64_to_image

from gradio.processing_utils import encode_pil_to_base64, decode_base64_to_file, decode_base64_to_image

from fastapi import APIRouter, Depends, FastAPI, HTTPException

from fastapi import APIRouter, Depends, FastAPI, HTTPException

from fastapi.security import HTTPBasic, HTTPBasicCredentials

from fastapi.security import HTTPBasic, HTTPBasicCredentials

from modules.api.models import *

from modules.api.models import *

from modules.processing import StableDiffusionProcessingTxt2Img, StableDiffusionProcessingImg2Img, process_images

from modules.processing import StableDiffusionProcessingTxt2Img, StableDiffusionProcessingImg2Img, process_images

from modules.extras import run_extras, run_pnginfo

from modules.extras import run_extras, run_pnginfo

from PIL import PngImagePlugin

from PIL import PngImagePlugin,Image

from modules.sd_models import checkpoints_list

from modules.sd_models import checkpoints_list

from modules.realesrgan_model import get_realesrgan_models

from modules.realesrgan_model import get_realesrgan_models

from typing import List

from typing import List

        mask = img2imgreq.mask

        mask = img2imgreq.mask

        if mask:

        if mask:

            if mask.startswith("data:image/"):

                mask = decode_base64_to_image(mask)

                mask = decode_base64_to_image(mask)

            else:

                mask = Image.open(BytesIO(base64.b64decode(mask)))

        populate = img2imgreq.copy(update={ # Override __init__ params

        populate = img2imgreq.copy(update={ # Override __init__ params

            "sd_model": shared.sd_model,

            "sd_model": shared.sd_model,

        imgs = []

        imgs = []

        for img in init_images:

        for img in init_images:

            if img.startswith("data:image/"):

                img = decode_base64_to_image(img)

                img = decode_base64_to_image(img)

            else:

                img = Image.open(BytesIO(base64.b64decode(img)))

            imgs = [img] * p.batch_size

            imgs = [img] * p.batch_size

        p.init_images = imgs

        p.init_images = imgs