BUG: fix order of symops in FindSpaceGroup result

Author: pavoljuhas

src/diffpy/structure/spacegroups.py

@@ -109,6 +109,7 @@ def FindSpaceGroup(symops, shuffle=False):
         sameorder = all(str(o0) == str(o1) for o0, o1 in zz)
         if not sameorder:
             rv = copy.copy(rv)
+            rv.symop_list = symops
     return rv
 
 

src/diffpy/structure/tests/testspacegroups.py

@@ -39,6 +39,8 @@ def test_FindSpaceGroup(self):
         self.assertIs(sg123, FindSpaceGroup(ops123))
         sg123r = FindSpaceGroup(ops123[::-1])
         self.assertIsNot(sg123, sg123r)
+        self.assertIsNot(sg123.symop_list, sg123r.symop_list)
+        self.assertEqual(ops123[::-1], sg123r.symop_list)
         self.assertEqual(_hashSymOpList(sg123.symop_list),
                          _hashSymOpList(sg123r.symop_list))
         self.assertIs(sg123, FindSpaceGroup(ops123[::-1], shuffle=True))