remove whitespace

Author: liljonnystyle

examples/train.py

@@ -256,7 +256,7 @@ def on_episode_end(info):
 def train_rllib(submodule, flags):
     """Train policies using the PPO algorithm in RLlib."""
     import ray
-    
+
     flow_params = submodule.flow_params
     flow_params['sim'].render = flags.render
     policy_graphs = getattr(submodule, "POLICY_GRAPHS", None)