MAINT: replace len(x.shape) with x.ndim

1 files changed, 3 insertions, 3 deletions

diff --git a/numpy/core/numeric.py b/numpy/core/numeric.py
index d4d4045a0..896ad7f6a 100644
--- a/numpy/core/numeric.py
+++ b/numpy/core/numeric.py
@@ -1354,9 +1354,9 @@ def tensordot(a, b, axes=2):
 
     a, b = asarray(a), asarray(b)
     as_ = a.shape
-    nda = len(a.shape)
+    nda = a.ndim
     bs = b.shape
-    ndb = len(b.shape)
+    ndb = b.ndim
     equal = True
     if na != nb:
         equal = False
@@ -1461,7 +1461,7 @@ def roll(a, shift, axis=None):
 
     else:
         broadcasted = broadcast(shift, axis)
-        if len(broadcasted.shape) > 1:
+        if broadcasted.ndim > 1:
             raise ValueError(
                 "'shift' and 'axis' should be scalars or 1D sequences")
         shifts = {ax: 0 for ax in range(a.ndim)}