-#! /usr/bin/env python
+#! /usr/bin/env python3
"""Rescan filesystem and update database
Rescan images directories; remove unknown images from DB; add new images.
txn.query(query)
NULL.close()
-print "New images:", count_new
-print "Existing images:", count_old
-print "Removed images:", count_del
+print("New images:", count_new)
+print("Existing images:", count_old)
+print("Removed images:", count_del)