Fixes issue #111 (#112)

Author: sytham

rllab/envs/mujoco/mujoco_env.py

@@ -197,15 +197,15 @@ def get_viewer(self):
             self.viewer.set_model(self.model)
         return self.viewer
 
-    def render(self, close=False, mode='human', config=None):
+    def render(self, close=False, mode='human'):
         if mode == 'human':
-            viewer = self.get_viewer(config=config)
+            viewer = self.get_viewer()
             viewer.loop_once()
         elif mode == 'rgb_array':
-            viewer = self.get_viewer(config=config)
+            viewer = self.get_viewer()
             viewer.loop_once()
             # self.get_viewer(config=config).render()
-            data, width, height = self.get_viewer(config=config).get_image()
+            data, width, height = self.get_viewer().get_image()
             return np.fromstring(data, dtype='uint8').reshape(height, width, 3)[::-1,:,:]
         if close:
             self.stop_viewer()