CC-4043: Pypo: add same song twice and cancel the first song, the

following song wont play any more

- fixed

python_apps/pypo/pypofile.py

@@ -60,10 +60,14 @@ class PypoFile(Thread):
         except Exception, e:
             dst_exists = False
 
+        media_item['already_exist'] = False
         do_copy = False
         if dst_exists:
             if src_size != dst_size:
                 do_copy = True
+            else:
+                self.logger.debug("file %s already exists in local cache as %s, skipping cpoying..." % (src, dst))
+                media_item['already_exist'] = True
         else:
             do_copy = True