diff --git a/examples/demo.py b/examples/demo.py
index 2ee1d5c0e747b8de11b010ca69d24db465e8f4f1..7e3725bccde4d4635c3a5e5ff275af9606018184 100644
--- a/examples/demo.py
+++ b/examples/demo.py
@@ -164,7 +164,6 @@ class Demo:
             agent_obs[a] = np.concatenate((time_obs[0][a], time_obs[1][a]))
 
         for step in range(max_nbr_of_steps):
-            self.renderer.renderEnv(show=True)
 
             time.sleep(.2)
 
@@ -175,6 +174,8 @@ class Demo:
                 action_prob[action] += 1
                 action_dict.update({a: action})
 
+            self.renderer.renderEnv(show=True,action_dict=action_dict)
+
             # Environment step
             next_obs, all_rewards, done, _ = self.env.step(action_dict)
             for a in range(self.env.get_num_agents()):
diff --git a/flatland/utils/render_qt.py b/flatland/utils/render_qt.py
index 0f3a0f899e106f71e8a4f14a4bafbb7ed7589efd..73b8ca77a33042bf181097d4b1a0a1afcb48b56e 100644
--- a/flatland/utils/render_qt.py
+++ b/flatland/utils/render_qt.py
@@ -121,7 +121,7 @@ class QTSVG(GraphicsLayer):
         self.layout = QGridLayout()
         self.layout.setSpacing(0)
         self.wMain.setLayout(self.layout)
-        self.wWinMain.resize(1000, 1000)
+        self.wWinMain.resize(600, 600)
         self.wWinMain.show()
         self.wWinMain.setFocus()
 
diff --git a/flatland/utils/rendertools.py b/flatland/utils/rendertools.py
index 9cc06d1d659236fb88af456b291ec933dbf4de66..713f65f0d726f1b89778982cf0fe1443b4e24282 100644
--- a/flatland/utils/rendertools.py
+++ b/flatland/utils/rendertools.py
@@ -605,7 +605,7 @@ class RenderTool(object):
                                 )
 
     def renderEnv(self, show=False, curves=True, spacing=False,
-                  arrows=False, agents=True, show_observations=True, sRailColor="gray", frames=False,
+                  arrows=False, agents=True, renderobs=True, show_observations=True, sRailColor="gray", frames=False,
                   iEpisode=None, iStep=None,
                   iSelectedAgent=None, action_dict=None):
         """
@@ -618,9 +618,10 @@ class RenderTool(object):
 
         if not self.gl.is_raster():
             self.renderEnv2(show, curves, spacing,
-                            arrows, agents, sRailColor,
+                            arrows, agents, renderobs,sRailColor,
                             frames, iEpisode, iStep,
                             iSelectedAgent, action_dict)
+
             return
 
         if type(self.gl) in (QTGL, PILGL):
@@ -764,13 +765,13 @@ class RenderTool(object):
 
             # ** TODO ***
             # why should we only update if the action is valid ?
-            if False:
+            if True:
                 if action_isValid:
                     self.gl.setAgentAt(iAgent, *agent.position, agent.direction, new_direction, color=oColor)
                 else:
-                    pass
-                    # print("invalid action - agent ", iAgent, " bend ", agent.direction, new_direction)
-                    # self.gl.setAgentAt(iAgent, *agent.position, agent.direction, new_direction)
+                    # pass
+                    print("invalid action - agent ", iAgent, " bend ", agent.direction, new_direction)
+                    self.gl.setAgentAt(iAgent, *agent.position, agent.direction, new_direction)
             else:
                 self.gl.setAgentAt(iAgent, *agent.position, agent.direction, new_direction, color=oColor)
 
diff --git a/flatland/utils/svg.py b/flatland/utils/svg.py
index e7c295f7b9d6ecda1b0788e3a6f9af3e02a7051a..fb8b987cae83f4b8a3696e0e9496659045709c17 100644
--- a/flatland/utils/svg.py
+++ b/flatland/utils/svg.py
@@ -80,6 +80,7 @@ class Zug(object):
         self.svg_curve2 = SVG("svg/Zug_2_Weiche_#0091ea.svg")
 
     def getSvg(self, iAgent, iDirIn, iDirOut, color=None):
+
         delta_dir = (iDirOut - iDirIn) % 4
         # if delta_dir != 0:
         #    print("Bend:", iAgent, iDirIn, iDirOut)