Update app.py

app.py

@@ -13,8 +13,7 @@ import cv2
 
 def face_detect(img):
     success,encoded_image = cv2.imencode(".jpg",img)
-    img_test = encoded_image.tostring()
-    img_test = base64.b64encode(img_test)
+    img_test = base64.b64encode(encoded_image)
     request_url = "https://aip.baidubce.com/rest/2.0/face/v3/detect"
     params={'image':str(img_test,'utf-8'),'image_type':'BASE64','face_field':'age,beauty,faceshape,gender,glasses,landmark'}