Now catching ImportError instead of KeyError

KeyError is if environ access fails.

Author: c-simpson

src/server/test_api.py

@@ -3,7 +3,7 @@
 
 try:
     from secrets import BASEUSER_PW, BASEADMIN_PW
-except KeyError:
+except ImportError:
     BASEUSER_PW = os.environ['BASEUSER_PW']
     BASEADMIN_PW = os.environ['BASEADMIN_PW']