[py3] Fix comparison of cardinality when maxvalue is graph_nodes.INFINITY

cubicweb_seda/entities/profile_generation.py

@@ -134,9 +134,11 @@ def integrity_cardinality(data_object):
         minc, maxc = minmax_cardinality(parent_cardinality)
         minvalue = min(minc, minvalue)
         if maxc == graph_nodes.INFINITY or maxvalue == graph_nodes.INFINITY:
-            maxvalue = 'n'
+            maxvalue = graph_nodes.INFINITY
         else:
             maxvalue = max(maxc, maxvalue)
+    if maxvalue == graph_nodes.INFINITY:
+        maxvalue = 'n'
     if minvalue == maxvalue == 1:
         return '1'
     return '{}..{}'.format(minvalue, maxvalue)