From b25ae0fc4f959da6b38725505a9e43d80fd2bddd Mon Sep 17 00:00:00 2001
From: kalmarek <kalmar@amu.edu.pl>
Date: Wed, 2 Jan 2019 17:07:46 +0100
Subject: [PATCH] fix equality of GroupRings

---
 src/GroupRings.jl | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/GroupRings.jl b/src/GroupRings.jl
index d25d452..a2c74ce 100644
--- a/src/GroupRings.jl
+++ b/src/GroupRings.jl
@@ -272,13 +272,11 @@ end
 
 function (==)(A::GroupRing, B::GroupRing)
    A.group == B.group || return false
-   if isdefined(A, :basis)
+   if isdefined(A, :pm) && isdefined(B, :pm)
       complete!(A)
-   end
-   if isdefined(B, :basis)
       complete!(B)
+      A.pm == B.pm || return false
    end
-   A.pm == B.pm || return false
    return true
 end