Fix urllib.request imports for Python 3.8 compatibility

Fixes #447

Author: yan12125

src/future/moves/urllib/request.py

@@ -11,19 +11,8 @@
                                 proxy_bypass,
                                 quote,
                                 request_host,
-                                splitattr,
-                                splithost,
-                                splitpasswd,
-                                splitport,
-                                splitquery,
-                                splittag,
-                                splittype,
-                                splituser,
-                                splitvalue,
                                 thishost,
-                                to_bytes,
                                 unquote,
-                                unwrap,
                                 url2pathname,
                                 urlcleanup,
                                 urljoin,
@@ -32,6 +21,18 @@
                                 urlretrieve,
                                 urlsplit,
                                 urlunparse)
+
+    from urllib.parse import (splitattr,
+                              splithost,
+                              splitpasswd,
+                              splitport,
+                              splitquery,
+                              splittag,
+                              splittype,
+                              splituser,
+                              splitvalue,
+                              to_bytes,
+                              unwrap)
 else:
     __future_module__ = True
     with suspend_hooks():