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-rw-r--r--numpy/ma/core.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/numpy/ma/core.py b/numpy/ma/core.py
index 2baf547a4..5aced840a 100644
--- a/numpy/ma/core.py
+++ b/numpy/ma/core.py
@@ -2828,8 +2828,8 @@ class MaskedArray(ndarray):
elif isinstance(data, (tuple, list)):
try:
# If data is a sequence of masked array
- mask = np.array([getmaskarray(m) for m in data],
- dtype=mdtype)
+ mask = np.array([getmaskarray(np.asanyarray(m, dtype=mdtype))
+ for m in data], dtype=mdtype)
except ValueError:
# If data is nested
mask = nomask