chore(lint): clean up ruff errors

sort imports, remove unused statement

Author: rouilj

roundup/anypy/http_.py

@@ -1,8 +1,7 @@
 try:
     # Python 3+
     from http import client, server
-    server.DEFAULT_ERROR_MESSAGE
 except (ImportError, AttributeError):
     # Python 2.5-2.7
-    import httplib as client                     # noqa: F401
-    import BaseHTTPServer as server              # noqa: F401
+    import BaseHTTPServer as server  # noqa: F401
+    import httplib as client  # noqa: F401