A bag? Did you get "her" from some shady guy hanging out behind a 7-11? Or some guy driving by in a van with dark tinted windows?
I'd suggest a long quarantine period before pairing "her" with anything...
what, you never heard of snake bags? I have no reason to doubt her health and she came from a very reputable rescue group. The only thing I question is how she was identified, since that could easily have gotten mixed up.