change or in assert by and

1 files changed, 2 insertions, 2 deletions

diff --git a/ot/lp/__init__.py b/ot/lp/__init__.py
index f77c3d7..4cce41c 100644
--- a/ot/lp/__init__.py
+++ b/ot/lp/__init__.py
@@ -109,7 +109,7 @@ def emd(a, b, M, numItermax=100000, log=False):
     if len(b) == 0:
         b = np.ones((M.shape[1],), dtype=np.float64) / M.shape[1]
 
-    assert (a.shape[0] == M.shape[0] or b.shape[0] == M.shape[1]), \
+    assert (a.shape[0] == M.shape[0] and b.shape[0] == M.shape[1]), \
         "Dimension mismatch, check dimensions of M with a and b"
 
     G, cost, u, v, result_code = emd_c(a, b, M, numItermax)
@@ -215,7 +215,7 @@ def emd2(a, b, M, processes=multiprocessing.cpu_count(),
     if len(b) == 0:
         b = np.ones((M.shape[1],), dtype=np.float64) / M.shape[1]
 
-    assert (a.shape[0] == M.shape[0] or b.shape[0] == M.shape[1]), \
+    assert (a.shape[0] == M.shape[0] and b.shape[0] == M.shape[1]), \
         "Dimension mismatch, check dimensions of M with a and b"
 
     if log or return_matrix: