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Diffstat (limited to 'numpy/ma/extras.py')
| -rw-r--r-- | numpy/ma/extras.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/numpy/ma/extras.py b/numpy/ma/extras.py index 360d50d8a..cbf26cfb3 100644 --- a/numpy/ma/extras.py +++ b/numpy/ma/extras.py @@ -1209,7 +1209,7 @@ def union1d(ar1, ar2): numpy.union1d : Equivalent function for ndarrays. """ - return unique(ma.concatenate((ar1, ar2))) + return unique(ma.concatenate((ar1.flatten(), ar2.flatten()))) def setdiff1d(ar1, ar2, assume_unique=False): |