Thank you for this.  We tried this via script already and it did change some POs, however not all of the POs.  A few of the POs with the incorrect status may have been originally cancelled and/or duplicated in Odoo.  We can't figure it out.  It would be great if there was a way to manually change it.  The goal is to make the affected POs disappear from the "things to do" work flow so not to add more reprocessing. 

hello 

You can update by the purchase order status by calling the method.

for the calling the method you can create the server action and from server action call the method.