Add a few more imports to old alias

jenshnielsen · astafan8 · web-flow · commit ed751842950f · 2022-08-03T09:59:10.000+02:00
Co-authored-by: Mikhail Astafev &lt;astafan8@gmail.com&gt;
diff --git a/qcodes/instrument_drivers/HP/HP8753D.py b/qcodes/instrument_drivers/HP/HP8753D.py
@@ -2,4 +2,4 @@
 Module left for backwards compatibility. Will be deprecated and removed eventually.
 """
 
-from HP_8753D import HP8753D
+from HP_8753D import HP8753D, HP8753DTrace, TraceNotReady
