fix: assign empty and tuple

cmp0xff · cmp0xff · commit c214cf0ebf5c · 2025-06-23T15:14:34.000+02:00
diff --git a/tests/test_frame.py b/tests/test_frame.py
@@ -327,6 +327,9 @@ def test_types_assign() -> None:
         pd.DataFrame,
     )
 
+    df = pd.DataFrame()
+    check(assert_type(df.assign(a=[], b=()), pd.DataFrame), pd.DataFrame)
+
 
 def test_assign() -> None:
     df = pd.DataFrame({"a": [1, 2, 3], 1: [4, 5, 6]})

Original file line number	Diff line number	Diff line change
`@@ -327,6 +327,9 @@ def test_types_assign() -> None:`
`327`	`327`	`pd.DataFrame,`
`328`	`328`	`)`
`329`	`329`
	`330`	`+ df = pd.DataFrame()`
	`331`	`+ check(assert_type(df.assign(a=[], b=()), pd.DataFrame), pd.DataFrame)`
	`332`	`+`
`330`	`333`
`331`	`334`	`def test_assign() -> None:`
`332`	`335`	`df = pd.DataFrame({"a": [1, 2, 3], 1: [4, 5, 6]})`