Emotion recognition using microsoft api with local image

microsoft_face_api.py

import requests
import matplotlib.pyplot as plt
from PIL import Image
from matplotlib import patches
from io import BytesIO


face_api_url = _url # https://westcentralus.api.cognitive.microsoft.com/face/v1.0/detect
headers = {'Content-Type': 'application/octet-stream', 'Ocp-Apim-Subscription-Key': subscription_key}
params = {
    'returnFaceId': 'true',
    'returnFaceLandmarks': 'false',
    'returnFaceAttributes': 'emotion'
}
data = open(image_path, 'rb')
response = requests.post(face_api_url , headers=headers, data=data,params=params)
faces = response.json()
print(faces)