Update Cloudpickle (#5643)

python/ray/cloudpickle/__init__.py

@@ -2,4 +2,4 @@ from __future__ import absolute_import
 
 from ray.cloudpickle.cloudpickle import *
 
-__version__ = '0.8.0.dev0'
+__version__ = '1.2.2.dev0'

rllib/tests/test_lstm.py

@@ -84,6 +84,13 @@ class RNNSpyModel(Model):
     capture_index = 0
 
     def _build_layers_v2(self, input_dict, num_outputs, options):
+        # Previously, a new class object was created during
+        # deserialization and this `capture_index`
+        # variable would be refreshed between class instantiations.
+        # This behavior is no longer the case, so we manually refresh
+        # the variable.
+        RNNSpyModel.capture_index = 0
+
         def spy(sequences, state_in, state_out, seq_lens):
             if len(sequences) == 1:
                 return 0  # don't capture inference inputs