bitbake: bin/bitbake: Fix queue import for pyhton 2 and 3

(Bitbake rev: 782bc0e797802224f06cb6f9098a50d658c86523)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/bin/bitbake

@@ -252,7 +252,10 @@ Default BBFILES are the .bb files in the current directory.""")
         server.saveConnectionDetails()
     except:
         while True:
-            import queue
+            try:
+                import queue
+            except ImportError:
+                import Queue as queue
             try:
                 event = server.event_queue.get(block=False)
             except (queue.Empty, IOError):