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-rw-r--r--numpy/ma/core.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/numpy/ma/core.py b/numpy/ma/core.py
index d6b30ae2e..d9401fa1d 100644
--- a/numpy/ma/core.py
+++ b/numpy/ma/core.py
@@ -2935,7 +2935,7 @@ class MaskedArray(ndarray):
Copies some attributes of obj to self.
"""
- if obj is not None and isinstance(obj, ndarray):
+ if isinstance(obj, ndarray):
_baseclass = type(obj)
else:
_baseclass = ndarray