diff --git a/flappy_bird_gymnasium/envs/flappy_bird_env_simple.py b/flappy_bird_gymnasium/envs/flappy_bird_env_simple.py
index e4f42f6..d504f90 100644
--- a/flappy_bird_gymnasium/envs/flappy_bird_env_simple.py
+++ b/flappy_bird_gymnasium/envs/flappy_bird_env_simple.py
@@ -106,13 +106,15 @@ def _get_observation(self):
                 player_y = self._game.player_y
                 v_dist = ((upper_pipe_y + lower_pipe_y) / 2) - player_y
                 pipes.append((h_dist, v_dist))
-        
+
         pipes = sorted(pipes, key=lambda x: x[0])
         vel_y = self._game.player_vel_y
         rot = self._game.player_rot
 
         if self._normalize_obs:
-            pipes = [(h / self._screen_size[0], v / self._screen_size[1]) for h, v in pipes]
+            pipes = [
+                (h / self._screen_size[0], v / self._screen_size[1]) for h, v in pipes
+            ]
             vel_y /= PLAYER_MAX_VEL_Y
             rot /= 90
 
diff --git a/setup.py b/setup.py
index f323722..7439cdc 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
 
 import setuptools
 
-_VERSION = "0.1.0"
+_VERSION = "0.1.1"
 
 # Short description.
 short_description = "A Gymnasium environment for the Flappy Bird game."