I am working on pen to print Handwriting OCR using API

Question

I am working to pen to print Handwriting ocr ap when I testing my api in postman it's work but when I try to use request and insert image in payload I get the errors said:

{"error":"General Exception:{} has type dict, but expected one of: bytes, unicode","log":["session null","srcUrl null","includeSubScan null","Execution Time:0.0003867149353027344"],"result":"0","time":0.0003867149353027344}

my code is :

import requests
import base64
import pdb

url = "https://pen-to-print-handwriting-ocr.p.rapidapi.com/recognize/"
file = 'G:\\Projects\Python&AI\\handwritting\\testimage.jpg'
with open(file, "rb") as image_file:
    payload = f"-----011000010111000001101001\rContent - Disposition: form - data;name " \
              f"=\"srcImg\"\r\r\r-----011000010111000001101001\rContent - Disposition: form - data;name " \
              f"=\"Session\"\r\rstring\r-----011000010111000001101001 - -\r\r "
    print(payload)

    headers = {
        "content-type": "multipart/form-data; boundary=---011000010111000001101001",
        "X-RapidAPI-Host": "pen-to-print-handwriting-ocr.p.rapidapi.com",
        "X-RapidAPI-Key": "APIKEY"
    }

    response = requests.request("POST", url, data=payload, headers=headers)

    print(response.text)