diff --git a/flatland/envs/rail_env.py b/flatland/envs/rail_env.py
index 9327167047ec0c8af40e0d84bf598f7e069b2990..2cde6bc272ff8d44b0b8a02b7015d54f7e964884 100644
--- a/flatland/envs/rail_env.py
+++ b/flatland/envs/rail_env.py
@@ -534,7 +534,7 @@ class RailEnv(Environment):
         self.agents_handles.append(max(self.agents_handles + [-1]) + 1)  # max(handles) + 1, starting at 0
         self.agents_direction.append(0)
         self.agents_target.append(rcPos)  # set the target to the origin initially
-        self.number_of_agents += 1        
+        self.number_of_agents += 1
         self.check_agent_lists()
         return iAgent
     
diff --git a/flatland/utils/editor.py b/flatland/utils/editor.py
index 97fda4839c4bd6c1dc4b50b4ba8a670aa7236f97..d71b05e526b6e4b19a686d6a11899629aab00cb6 100644
--- a/flatland/utils/editor.py
+++ b/flatland/utils/editor.py
@@ -87,7 +87,7 @@ class JupEditor(object):
             self.env.agents_target[self.iAgent] = rcCell
             self.drawMode = "Origin"
         
-        #self.log("agent", self.drawMode, self.iAgent, rcCell)
+        # self.log("agent", self.drawMode, self.iAgent, rcCell)
 
         self.redraw()
 
@@ -265,17 +265,14 @@ class JupEditor(object):
         else:
             self.log("thread already present")
 
-
-
     def bg_updater(self):
         try:
             for i in range(20):
-                #self.log("step ", i)
+                # self.log("step ", i)
                 self.step_event()
                 time.sleep(0.2)
         finally:
             self.thread = None
-        
 
     def fix_env(self):
         self.env.width = self.env.rail.width