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-rw-r--r--numpy/lib/function_base.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/numpy/lib/function_base.py b/numpy/lib/function_base.py
index 5a442240e..19040807b 100644
--- a/numpy/lib/function_base.py
+++ b/numpy/lib/function_base.py
@@ -232,7 +232,7 @@ def histogram(a, bins=10, range=None, normed=False, weights=None,
tmp_a = tmp_a[keep]
if tmp_w is not None:
tmp_w = tmp_w[keep]
- tmp_a = np.array(tmp_a, dtype=float, copy=False)
+ tmp_a = tmp_a.astype(float)
tmp_a -= mn
tmp_a *= norm