[hotfix]fixed p2p process send stuck (#1181)

* [CLI] add CLI launcher

* Revert "[CLI] add CLI launcher"

This reverts commit df7e6506d4500af6a9220ef7fe4d3c7b1daebd4c.

* [hotfix]fixed p2p process send stuck

colossalai/communication/p2p.py

@@ -63,6 +63,8 @@ def process_object_to_send(object_send, scatter_gather_tensors):
         send_split = _get_tensor_shape(tensor_send.shape, scatter_gather_tensors)[1]
         if send_split:
             object_send_list.append(split_tensor_into_1d_equal_chunks(tensor_send))
+        else:
+            object_send_list.append(tensor_send)
     object_send = tuple(object_send_list)
 
     return object_send