Update isis_serial_number.py

Fix PVL import.

Update isis_serial_number.py
e3b3b557 · Ryan · Jesse Mapel · e68b9888 · e3b3b557
Commit e3b3b557 authored 4 years ago by Ryan Committed by Jesse Mapel 4 years ago
--- a/plio/io/isis_serial_number.py
+++ b/plio/io/isis_serial_number.py
 import warnings

 import pvl
-from pvl._collections import PVLModule
+from pvl.collections import PVLModule

 import plio
 from plio.data import get_data