Add $INSTDIR\python\Scripts to %PATH% on Windows as well

direct/src/directscripts/packpanda.nsi

@@ -245,10 +245,14 @@ Section -post
         # Add the "bin" directory to the PATH.
         Push "$INSTDIR\python"
         Call RemoveFromPath
+        Push "$INSTDIR\python\Scripts"
+        Call RemoveFromPath
         Push "$INSTDIR\bin"
         Call RemoveFromPath
         Push "$INSTDIR\python"
         Call AddToPath
+        Push "$INSTDIR\python\Scripts"
+        Call AddToPath
         Push "$INSTDIR\bin"
         Call AddToPath
 
@@ -281,9 +285,7 @@ Section Uninstall
         !ifndef PPGAME
         Push "$INSTDIR\python"
         Call un.RemoveFromPath
-        Push "$INSTDIR\python"
-        Call un.RemoveFromPath
-        Push "$INSTDIR\bin"
+        Push "$INSTDIR\python\Scripts"
         Call un.RemoveFromPath
         Push "$INSTDIR\bin"
         Call un.RemoveFromPath