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Diffstat (limited to 'numpy/lib/arraysetops.py')
| -rw-r--r-- | numpy/lib/arraysetops.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/numpy/lib/arraysetops.py b/numpy/lib/arraysetops.py index e00163941..6fce1c047 100644 --- a/numpy/lib/arraysetops.py +++ b/numpy/lib/arraysetops.py @@ -614,7 +614,7 @@ def union1d(ar1, ar2): >>> reduce(np.union1d, ([1, 3, 4, 3], [3, 1, 2, 1], [6, 3, 4, 2])) array([1, 2, 3, 4, 6]) """ - return unique(np.concatenate((ar1.flatten(), ar2.flatten()))) + return unique(np.concatenate((ar1, ar2), axis=None)) def setdiff1d(ar1, ar2, assume_unique=False): """ |