diff --git a/groupConnectivityNaive.py b/groupConnectivityNaive.py
index 8b978d1b1742f670d45ea5cf3683288436b23972..76b0fa087a6a0af128613c2eea7ccfe27cfcab91 100644
--- a/groupConnectivityNaive.py
+++ b/groupConnectivityNaive.py
@@ -1,3 +1,4 @@
+from sage.all import ZZ # to fix bug in sage in following imports
 from sage.graphs.graph import Graph, DiGraph
 from sage.rings.finite_rings.integer_mod_ring import Integers