AI calls Baidu gesture recognition (Python)

import os
import cv2
from aip import AipBodyAnalysis
from threading import Thread
import base64

""" 你的 APPID AK SK """
APP_ID = '**************'
API_KEY = '**************'
SECRET_KEY =  '**************'
''' 调用'''
gesture_client = AipBodyAnalysis(APP_ID, API_KEY, SECRET_KEY)

capture = cv2.VideoCapture (0) 0 as the default camera#
DEF Camera (): 

    the while True: 
        RET, Frame = capture.read ()
         # cv2.imshow (name image window, the display window) 
        cv2.imshow ( ' Frame ' , Frame)
         IF cv2.waitKey (. 1) == the ord ( ' Q ' ):
             BREAK 
the thread (target = Camera) .start () # introduced at the time of the identified thread to prevent stuck 

DEF gesture_recognition ():
     '' ' 
    first ret parameter is True or False, no read representatives image to 

    the second parameter represents a frame of a picture taken to 
    '' ' 
    RET, frame = capture.read () 

   # only accept a base64 image   
    base64_data = base64.b64encode(frame)    
    gesture =  gesture_client.gesture(base64_data )   #AipBodyAnalysis内部函数
    print(gesture)
gesture_recognition()