From eddd73205b79bc580ac05e3148a9c4e54806eae6 Mon Sep 17 00:00:00 2001 From: Sumin Byeon Date: Wed, 14 Nov 2018 23:57:26 +0900 Subject: [PATCH] CLN: Remove unnecessary code No need to pass an empty array to create an empty frozenset. --- pandas/core/accessor.py | 2 +- pandas/core/generic.py | 2 +- pandas/core/groupby/groupby.py | 2 +- pandas/tests/dtypes/test_inference.py | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) diff --git a/pandas/core/accessor.py b/pandas/core/accessor.py index d178c66da2cc1..f2ae7f6b56551 100644 --- a/pandas/core/accessor.py +++ b/pandas/core/accessor.py @@ -11,7 +11,7 @@ class DirNamesMixin(object): - _accessors = frozenset([]) + _accessors = frozenset() _deprecations = frozenset( ['asobject', 'base', 'data', 'flags', 'itemsize', 'strides']) diff --git a/pandas/core/generic.py b/pandas/core/generic.py index d5cc56d9f881d..1c81105b9d417 100644 --- a/pandas/core/generic.py +++ b/pandas/core/generic.py @@ -117,7 +117,7 @@ class NDFrame(PandasObject, SelectionMixin): '_default_fill_value', '_metadata', '__array_struct__', '__array_interface__'] _internal_names_set = set(_internal_names) - _accessors = frozenset([]) + _accessors = frozenset() _deprecations = frozenset(['as_blocks', 'blocks', 'convert_objects', 'is_copy']) _metadata = [] diff --git a/pandas/core/groupby/groupby.py b/pandas/core/groupby/groupby.py index 5041449b4d724..c5f375bd60253 100644 --- a/pandas/core/groupby/groupby.py +++ b/pandas/core/groupby/groupby.py @@ -324,7 +324,7 @@ def _group_selection_context(groupby): class _GroupBy(PandasObject, SelectionMixin): _group_selection = None - _apply_whitelist = frozenset([]) + _apply_whitelist = frozenset() def __init__(self, obj, keys=None, axis=0, level=None, grouper=None, exclusions=None, selection=None, as_index=True, diff --git a/pandas/tests/dtypes/test_inference.py b/pandas/tests/dtypes/test_inference.py index 1ff3005722341..f2552cffc6651 100644 --- a/pandas/tests/dtypes/test_inference.py +++ b/pandas/tests/dtypes/test_inference.py @@ -59,7 +59,7 @@ def coerce(request): ({'a', 1}, 'set', 'set'), # noqa: E241 (set(), 'set', 'set-empty'), # noqa: E241 (frozenset({'a', 1}), 'set', 'frozenset'), # noqa: E241 - (frozenset([]), 'set', 'frozenset-empty'), # noqa: E241 + (frozenset(), 'set', 'frozenset-empty'), # noqa: E241 (iter([1, 2]), True, 'iterator'), # noqa: E241 (iter([]), True, 'iterator-empty'), # noqa: E241 ((x for x in [1, 2]), True, 'generator'), # noqa: E241