diff -r 450cefec7c11 -r cc19f7ca2ed6 src/HOL/Quotient_Examples/Int_Pow.thy
--- a/src/HOL/Quotient_Examples/Int_Pow.thy	Fri Aug 18 13:55:05 2017 +0200
+++ b/src/HOL/Quotient_Examples/Int_Pow.thy	Fri Aug 18 20:47:47 2017 +0200
@@ -4,7 +4,7 @@
 *)
 
 theory Int_Pow
-imports Main "~~/src/HOL/Algebra/Group"
+imports Main "HOL-Algebra.Group"
 begin
 
 (*