removed the tab

unity-environment/Assets/ML-Agents/Examples/3DBall/Scripts/Ball3DDecision.cs

             act.Add(-state[7] * rotationSpeed);
             return act.ToArray();
         }
-		//If the vector action space type is discrete, then we don't do anything. 	
+        //If the vector action space type is discrete, then we don't do anything. 	
         else
         {
             return new float[1]{ 1f };