Update pandas/core/generic.py

jbrockmendel · mroeschke · jbrockmendel · commit 68dc8c620d70 · 2025-08-04T13:51:42.000-07:00
Co-authored-by: Matthew Roeschke &lt;10647082+mroeschke@users.noreply.github.com&gt;
diff --git a/pandas/core/generic.py b/pandas/core/generic.py
@@ -9817,7 +9817,7 @@ def _where(
                                 for i in range(self.shape[1])
                             ]
                         res = self._constructor(
-                            {i: res_cols[i] for i in range(len(res_cols))}
+                            dict(enumerate(res_cols))
                         )
                         res.index = self.index
                         res.columns = self.columns

Original file line number	Diff line number	Diff line change
`@@ -9817,7 +9817,7 @@ def _where(`
`9817`	`9817`	`for i in range(self.shape[1])`
`9818`	`9818`	`]`
`9819`	`9819`	`res = self._constructor(`
`9820`		`- {i: res_cols[i] for i in range(len(res_cols))}`
	`9820`	`+ dict(enumerate(res_cols))`
`9821`	`9821`	`)`
`9822`	`9822`	`res.index = self.index`
`9823`	`9823`	`res.columns = self.columns`