diff --git a/data/import_eventserver.py b/data/import_eventserver.py
index 7e808e3..679ce6d 100644
--- a/data/import_eventserver.py
+++ b/data/import_eventserver.py
@@ -8,7 +8,7 @@
 def import_events(client, file):
   f = open(file, 'r')
   count = 0
-  print "Importing data..."
+  print("Importing data...")
   for line in f:
     data = line.rstrip('\r\n').split(",")
     plan = data[0]
@@ -26,7 +26,7 @@
     )
     count += 1
   f.close()
-  print "%s events are imported." % count
+  print("%s events are imported." % count)
 
 if __name__ == '__main__':
   parser = argparse.ArgumentParser(
@@ -36,7 +36,7 @@
   parser.add_argument('--file', default="./data/data.txt")
 
   args = parser.parse_args()
-  print args
+  print(args)
 
   client = predictionio.EventClient(
     access_key=args.access_key,