wip: fixing imports (#61)

Summary:
- Import fix, as the classes are either renamed or do not exist anymore

Pull Request resolved: #61

Reviewed By: danielrjiang

Differential Revision: D53599023

Pulled By: rodrigodesalvobraz

fbshipit-source-id: 7f70f55725de3ccf5b1051eb214c2944a1b824be

pearl/utils/instantiations/environments/__init__.py

@@ -10,9 +10,8 @@
 )
 from .contextual_bandit_uci_environment import SLCBEnvironment
 from .environments import (
-    BoxObservationsEnvironmentBase,
-    BoxObservationsFromDiscrete,
     FixedNumberOfStepsEnvironment,
+    ObservationTransformationEnvironmentAdapterBase,
     OneHotObservationsFromDiscrete,
 )
 from .gym_environment import GymEnvironment
@@ -27,8 +26,7 @@
 
 
 __all__ = [
-    "BoxObservationsEnvironmentBase",
-    "BoxObservationsFromDiscrete",
+    "ObservationTransformationEnvironmentAdapterBase",
     "ContinuousSparseRewardEnvironment",
     "ContextualBanditEnvironment",
     "ContextualBanditLinearSyntheticEnvironment",