diff --git a/examples/demo.py b/examples/demo.py
index 1e4a14d3ba6880b904403642bde7a3a3bf4115a2..fa897713e1987082ffecf1b1bc824d1329c44342 100644
--- a/examples/demo.py
+++ b/examples/demo.py
@@ -164,13 +164,7 @@ class Demo:
         demo_001 = Demo(Scenario_Generator.load_scenario('complex_scene.pkl'))
         demo_001.set_record_frames(os.path.join(__file_dirname__, '..', 'rendering', 'frame_{:04d}.bmp'))
         demo_001.run_demo(120)
-
-    @staticmethod
-    def run_complex_scene_2():
-        demo_001 = Demo(Scenario_Generator.load_scenario('complex_scene_2.pkl'))
-        demo_001.set_record_frames(os.path.join(__file_dirname__, '..', 'rendering', 'frame_{:04d}.bmp'))
-        demo_001.run_demo(120)
+ 
 
 if __name__ == "__main__":
     Demo.run_complex_scene()
-    Demo.run_complex_scene_2()
diff --git a/flatland/utils/editor.py b/flatland/utils/editor.py
index 4dcd4ef248f3405678f5d600068b48c52d4cccdb..081cf02c804f5a8d64542b2cfdc75c664bc479a9 100644
--- a/flatland/utils/editor.py
+++ b/flatland/utils/editor.py
@@ -277,6 +277,7 @@ class Controller(object):
 
         # If the mouse is held down, enqueue an event in our own queue
         # The intention was to avoid too many redraws.
+        # Reset the lrcStroke list, if ALT, CTRL or SHIFT pressed
         if event["buttons"] > 0:
             qEvents.append((time.time(), x, y))
             bShift = event["shiftKey"]
@@ -299,7 +300,6 @@ class Controller(object):
                 return
         else:
             self.lrcStroke = []
-             
 
         if self.model.iSelectedAgent is not None:
             self.lrcStroke = []
@@ -328,7 +328,6 @@ class Controller(object):
         else:
             self.model.mod_path(not event["shiftKey"])
 
-
     def refresh(self, event):
         self.debug("refresh")
         self.view.redraw()
diff --git a/flatland/utils/graphics_pil.py b/flatland/utils/graphics_pil.py
index e3e32125e32f0b7f0028fcbe9962b21ffbdc591c..23f8b8790a44be3d4835a1a9594effaa1ee33164 100644
--- a/flatland/utils/graphics_pil.py
+++ b/flatland/utils/graphics_pil.py
@@ -439,7 +439,7 @@ class PILSVG(PILGL):
                     elif (self.background_grid[col][row] > 4) or ((col ** 3 + row ** 2 + col * row) % 10 == 0):
                         a = int(self.background_grid[col][row]) - 4
                         a = (a + (col + row + col * row + col ** 3 + row ** 4)) % len(self.dScenery)
-                        if (col + row + col * row ) % 10 > 2:
+                        if (col + row + col * row) % 10 > 2:
                             a = 0
                         pilTrack = self.dScenery[a]