make sure datetime_to_epoch() returns ints

diff --git a/sfa/util/sfatime.py b/sfa/util/sfatime.py
index c5d5afa..34f4dce 100644 (file)
--- a/sfa/util/sfatime.py
+++ b/sfa/util/sfatime.py
@@ -41,7 +41,7 @@ def datetime_to_utc(input):
     return time.gmtime(datetime_to_epoch(input))    
 
 def datetime_to_epoch(input):
-    return time.mktime(input.timetuple())
+    return int(time.mktime(input.timetuple()))