diff --git a/data/model.py b/data/model.py
index 8134c99..78a7284 100755
--- a/data/model.py
+++ b/data/model.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python3 -u
-import imp
-import string
-import sys
+import imp as imp
+import string as string
 
 from robot.libraries.BuiltIn import BuiltIn