Temporarily disables the checkpoints for the readers.

Summary:
The hive reader checkpoints are broken because of D5582328.
This breaks our offline simulator test as well.
This is a temporary fix that disables the checkpoints for readers.

Reviewed By: azzolini

Differential Revision: D5637719

fbshipit-source-id: 4f31ae534cb7e981fcacbb721cbb2420249fad91

caffe2/python/checkpoint.py

@@ -235,6 +235,12 @@ class MultiNodeCheckpointManager(object):
         assert self._node_managers is not None, 'init must be called first.'
         with TaskGroup(WorkspaceType.GLOBAL) as task_group:
             for node, manager in self._node_managers:
+                # TODO(aartibasant, T21070353): Enable the checkpoints for
+                # readers.
+                # The checkpointing for readers is broken because of D5582328.
+                # Disabling the reader checkpoints until it is fixed.
+                if "reader" in str(node):
+                    continue
                 with Node(node):
                     func(manager, *args, **kw)
             return task_group