In raven/gracedb_events.py: math module never used, lalinference.io module is deprecated

raven/gracedb_events.py

@@ -34,9 +34,8 @@ import healpy as hp
 import VOEventLib.VOEvent
 import VOEventLib.Vutil
 
-from math import floor
 from ligo.gracedb.rest import GraceDb
-from lalinference.io import fits
+from lalinference import fits
 
 
 # Initialize instance of GraceDB server as a global variable.