improving ImportError for Box2D (#1009)

Farama-Foundation · Apr 10, 2024 · aa566f9 · aa566f9
1 parent 6047a8c
commit aa566f9
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Showing 4 changed files with 4 additions and 4 deletions.
diff --git a/gymnasium/envs/box2d/bipedal_walker.py b/gymnasium/envs/box2d/bipedal_walker.py
@@ -23,7 +23,7 @@
     )
 except ImportError as e:
     raise DependencyNotInstalled(
-        'Box2D is not installed, run `pip install "gymnasium[box2d]"`'
+        'Box2D is not installed, you can install it by run `pip install swig` followed by `pip install "gymnasium[box2d]"`'
     ) from e
 
 

diff --git a/gymnasium/envs/box2d/car_dynamics.py b/gymnasium/envs/box2d/car_dynamics.py
@@ -19,7 +19,7 @@
     from Box2D.b2 import fixtureDef, polygonShape, revoluteJointDef
 except ImportError as e:
     raise DependencyNotInstalled(
-        'Box2D is not installed, run `pip install "gymnasium[box2d]"`'
+        'Box2D is not installed, you can install it by run `pip install swig` followed by `pip install "gymnasium[box2d]"`'
     ) from e
 
 

diff --git a/gymnasium/envs/box2d/car_racing.py b/gymnasium/envs/box2d/car_racing.py
@@ -17,7 +17,7 @@
     from Box2D.b2 import contactListener, fixtureDef, polygonShape
 except ImportError as e:
     raise DependencyNotInstalled(
-        'Box2D is not installed, run `pip install "gymnasium[box2d]"`'
+        'Box2D is not installed, you can install it by run `pip install swig` followed by `pip install "gymnasium[box2d]"`'
     ) from e
 
 try:

diff --git a/gymnasium/envs/box2d/lunar_lander.py b/gymnasium/envs/box2d/lunar_lander.py
@@ -24,7 +24,7 @@
     )
 except ImportError as e:
     raise DependencyNotInstalled(
-        'Box2D is not installed, run `pip install "gymnasium[box2d]"`'
+        'Box2D is not installed, you can install it by run `pip install swig` followed by `pip install "gymnasium[box2d]"`'
     ) from e