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author | Eric Wieser <wieser.eric@gmail.com> | 2019-08-18 21:09:32 -0500 |
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committer | Eric Wieser <wieser.eric@gmail.com> | 2019-09-14 12:57:02 -0700 |
commit | 49916f66479d7a6b14087f39e06290941e07596d (patch) | |
tree | 8696e868c5041051d8e2fbbcc77237631336fe29 /doc/release | |
parent | 31ffdecf07d18ed4dbb66b171cb0f998d4b190fa (diff) | |
download | numpy-49916f66479d7a6b14087f39e06290941e07596d.tar.gz |
API: Do not return None from recfunctions.drop_fields
This return value was not documented and did not make any sense. There's no reason to have a special case here.
Diffstat (limited to 'doc/release')
-rw-r--r-- | doc/release/upcoming_changes/14510.compatibility.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/release/upcoming_changes/14510.compatibility.rst b/doc/release/upcoming_changes/14510.compatibility.rst new file mode 100644 index 000000000..cd686a63b --- /dev/null +++ b/doc/release/upcoming_changes/14510.compatibility.rst @@ -0,0 +1,10 @@ +`numpy.lib.recfunctions.drop_fields` can no longer return ``None`` +------------------------------------------------------------------ +If ``drop_fields`` is used to drop all fields, previously the array would +be completely discarded and ``None`` returned. Now it returns an array of the +same shape as the input, but with no fields. The old behavior can be retained +with:: + + dropped_arr = drop_fields(arr, ['a', 'b']) + if dropped_arr.dtype.names == (): + dropped_arr = None |