import random, time in geetest.py

flake8 testing of https://github.com/Jack-Cherish/python-spider on Python 3.6.3 $ __flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics__ ``` ./geetest.py:206:5: F821 undefined name 'time'	time.sleep(0.5) ^ ./geetest.py:216:3: F821 undefined name 'ActionChains'	ActionChains(self.browser).click_and_hold(slider).perform() ^ ./geetest.py:218:8: F821 undefined name 'random'	x = random.choice(track) ^ ./geetest.py:219:4: F821 undefined name 'ActionChains'	ActionChains(self.browser).move_by_offset(xoffset=x, yoffset=0).perform() ^ ./geetest.py:221:3: F821 undefined name 'time'	time.sleep(0.5) ^ ./geetest.py:222:3: F821 undefined name 'ActionChains'	ActionChains(self.browser).release().perform() ^ 6 F821 undefined name 'time' 6 ```

Author: cclauss

geetest.py

@@ -6,6 +6,8 @@
 from selenium import webdriver
 from bs4 import BeautifulSoup
 import PIL.Image as image
+import time
+import random
 import re
 
 class Crack():