X-Git-Url: https://svn.cri.ensmp.fr/git/linpy.git/blobdiff_plain/4e408d8113221ec6ecbaabdeb24ba0710c5a417c..c3149dd6dbf0dd296c85676fcf9f997ead2470f0:/linpy/polyhedra.py

diff --git a/linpy/polyhedra.py b/linpy/polyhedra.py
index fb2b4a7..e5e2523 100644
--- a/linpy/polyhedra.py
+++ b/linpy/polyhedra.py
@@ -178,7 +178,7 @@ class Polyhedron(Domain):
         used on large polyhedra.
         """
         if not isinstance(other, Polyhedron):
-            raise ValueError('argument must be a Polyhedron instance')
+            raise TypeError('argument must be a Polyhedron instance')
         inequalities1 = self._asinequalities()
         inequalities2 = other._asinequalities()
         inequalities = []