Fix python2 Cookie import

Author: python273

vk_api/utils.py

@@ -12,7 +12,10 @@
 except ImportError:
     import json
 
-from http.cookiejar import Cookie
+try:
+    from http.cookiejar import Cookie
+except ImportError:  # python2
+    from cookielib import Cookie
 
 
 def search_re(reg, string):