From 123b4ba6ef8f02ecde3e1a712e12f78e231f5e1a Mon Sep 17 00:00:00 2001 From: Joris Van den Bossche Date: Fri, 16 Feb 2024 17:46:58 +0100 Subject: [PATCH] PERF: use copy=False in constructors in unstack --- pandas/core/reshape/reshape.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/pandas/core/reshape/reshape.py b/pandas/core/reshape/reshape.py index e8ef393da38d9..4e6c8a64fde6b 100644 --- a/pandas/core/reshape/reshape.py +++ b/pandas/core/reshape/reshape.py @@ -241,7 +241,7 @@ def get_result(self, values, value_columns, fill_value) -> DataFrame: index = self.new_index return self.constructor( - values, index=index, columns=columns, dtype=values.dtype + values, index=index, columns=columns, dtype=values.dtype, copy=False ) def get_new_values(self, values, fill_value=None):