Fixed urlparse import on Python 3.

Author: dainnilsson

u2flib_host/appid.py

@@ -26,7 +26,10 @@
 # POSSIBILITY OF SUCH DAMAGE.
 
 import requests
-from urlparse import urlparse
+try:
+    from urlparse import urlparse
+except ImportError:
+    from urllib.parse import urlparse
 
 SUFFIX_URL = 'https://publicsuffix.org/list/effective_tld_names.dat'