Ticket 15578: append a missing import

sagemath · Dec 30, 2013 · a9499a0 · a9499a0
1 parent 416a081
commit a9499a0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/sage/categories/graded_hopf_algebras_with_basis.py b/src/sage/categories/graded_hopf_algebras_with_basis.py
@@ -8,6 +8,7 @@
 #  Distributed under the terms of the GNU General Public License (GPL)
 #                  http://www.gnu.org/licenses/
 #******************************************************************************
+from sage.categories.category_with_axiom import CategoryWithAxiom_over_base_ring
 
 from sage.categories.graded_modules import GradedModulesCategory
 from sage.categories.with_realizations import WithRealizationsCategory