Improve handling of missing Metaworld

fancy_gym/meta/__init__.py

@@ -7,6 +7,13 @@ from ..envs.registry import register
 from . import goal_object_change_mp_wrapper, goal_change_mp_wrapper, goal_endeffector_change_mp_wrapper, \
     object_change_mp_wrapper
 
+try:
+    import metaworld
+except ModuleNotFoundError:
+    print('[FANCY GYM] Metaworld not avaible.')
+else:
+    # Will only get executed, if import succeeds
+
     from . import metaworld_adapter
 
     metaworld_adapter.register_all_ML1()
@@ -60,3 +67,4 @@ for _task in _goal_and_endeffector_change_envs:
             mp_wrapper=goal_endeffector_change_mp_wrapper.MPWrapper,
             add_mp_types=['ProMP', 'ProDMP'],
         )
+`

fancy_gym/meta/metaworld_adapter.py

@@ -11,11 +11,7 @@ import numpy as np
 
 from fancy_gym.utils.env_compatibility import EnvCompatibility
 
-try:
 import metaworld
-except Exception:
-    print('[FANCY GYM] Metaworld not avaible')
-
 
 class FixMetaworldHasIncorrectObsSpaceWrapper(gym.Wrapper, gym.utils.RecordConstructorArgs):
     def __init__(self, env: gym.Env):