Styling

com.unity.perception/Editor/Visualizer/VisualizerInstaller.cs

                 }
             }
 
-            if (getOutput && waitForExit != 0)
+            if (getOutput)
             {
                 output = cmd.StandardOutput.ReadToEnd();
             }
                 }
             }
 
-            cmd?.Close();
+            cmd.Close();
 
             return 0;
         }