Convert np.int -> np.int32 since np.int is deprecated

bsuite/baselines/utils/sequence_test.py

@@ -32,7 +32,7 @@ def test_buffer(self):
     obs_shape = (3, 3)
     buffer = sequence.Buffer(
         obs_spec=specs.Array(obs_shape, dtype=np.float),
-        action_spec=specs.Array((), dtype=np.int),
+        action_spec=specs.Array((), dtype=np.int32),
         max_sequence_length=max_sequence_length)
     dummy_step = dm_env.transition(observation=np.zeros(obs_shape), reward=0.)
 

bsuite/environments/cartpole.py

@@ -159,7 +159,7 @@ def _reset(self) -> dm_env.TimeStep:
     raise NotImplementedError('This environment implements its own auto-reset.')
 
   def action_spec(self):
-    return specs.DiscreteArray(dtype=np.int, num_values=3, name='action')
+    return specs.DiscreteArray(dtype=np.int32, num_values=3, name='action')
 
   def observation_spec(self):
     return specs.Array(shape=(1, 6), dtype=np.float32, name='state')

bsuite/environments/catch.py

@@ -104,7 +104,7 @@ def observation_spec(self) -> specs.BoundedArray:
   def action_spec(self) -> specs.DiscreteArray:
     """Returns the action spec."""
     return specs.DiscreteArray(
-        dtype=np.int, num_values=len(_ACTIONS), name="action")
+        dtype=np.int32, num_values=len(_ACTIONS), name="action")
 
   def _observation(self) -> np.ndarray:
     self._board.fill(0.)

bsuite/experiments/cartpole_swingup/cartpole_swingup.py

@@ -129,7 +129,7 @@ def _reset(self) -> dm_env.TimeStep:
     raise NotImplementedError('This environment implements its own auto-reset.')
 
   def action_spec(self):
-    return specs.DiscreteArray(dtype=np.int, num_values=3, name='action')
+    return specs.DiscreteArray(dtype=np.int32, num_values=3, name='action')
 
   def observation_spec(self):
     return specs.Array(shape=(1, 8), dtype=np.float32, name='state')