From 25e9527d63de42eab0646cc09d830656aeab8060 Mon Sep 17 00:00:00 2001
From: Michael Wang <michaelwang0905@icloud.com>
Date: Wed, 9 Mar 2022 15:47:45 -0800
Subject: [PATCH] Use iterable as typing istead of list for `column_names` arg

---
 python/cudf/cudf/core/dataframe.py | 4 ++--
 python/cudf/cudf/core/frame.py     | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/python/cudf/cudf/core/dataframe.py b/python/cudf/cudf/core/dataframe.py
index 6e0c64f78fe..991c5d18b92 100644
--- a/python/cudf/cudf/core/dataframe.py
+++ b/python/cudf/cudf/core/dataframe.py
@@ -1320,7 +1320,7 @@ def _slice(self: T, arg: slice) -> T:
         ]
         result = self._from_columns_like_self(
             libcudf.copying.columns_slice(columns_to_slice, [start, stop])[0],
-            [*self._column_names],
+            self._column_names,
             None if is_range_index else self._index.names,
         )
 
@@ -6065,7 +6065,7 @@ def _sample_axis_1(
     def _from_columns_like_self(
         self,
         columns: List[ColumnBase],
-        column_names: List[str],
+        column_names: Iterable[str],
         index_names: Optional[List[str]] = None,
     ) -> DataFrame:
         result = super()._from_columns_like_self(
diff --git a/python/cudf/cudf/core/frame.py b/python/cudf/cudf/core/frame.py
index aba2b6d1a11..06a8fee46c3 100644
--- a/python/cudf/cudf/core/frame.py
+++ b/python/cudf/cudf/core/frame.py
@@ -200,7 +200,7 @@ def _from_data(
     def _from_columns(
         cls,
         columns: List[ColumnBase],
-        column_names: List[str],
+        column_names: abc.Iterable[str],
         index_names: Optional[List[str]] = None,
     ):
         """Construct a `Frame` object from a list of columns.
@@ -233,7 +233,7 @@ def _from_columns(
     def _from_columns_like_self(
         self,
         columns: List[ColumnBase],
-        column_names: List[str],
+        column_names: abc.Iterable[str],
         index_names: Optional[List[str]] = None,
     ):
         """Construct a `Frame` from a list of columns with metadata from self.