Originally Posted by AbsoluteApril

Yes I would.
Also put lines of flour or sugar around the dishwasher so you can see if he exists and goes to another part of the home. Something I found that helps is also putting plastic bags (something that makes noise easy) around the edges of all the walls - then sit there late at night not making any noise, you may hear the snake moving (they tend to move along edges of things).

I wish you the best of luck!
I've lost one to a hole in the wall before (baby corn). Sadly mine never reappeared.