From 4d6593aec1150ad4c45dae6eb812727aa76f94f1 Mon Sep 17 00:00:00 2001
From: Trevor Bergeron <tbergeron@google.com>
Date: Mon, 6 Oct 2025 20:19:35 +0000
Subject: [PATCH] fix: join on, how args are now positional

---
 bigframes/dataframe.py                              | 1 -
 third_party/bigframes_vendored/pandas/core/frame.py | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/bigframes/dataframe.py b/bigframes/dataframe.py
index de153fca48..1bde29506d 100644
--- a/bigframes/dataframe.py
+++ b/bigframes/dataframe.py
@@ -3721,7 +3721,6 @@ def _validate_left_right_on(
     def join(
         self,
         other: Union[DataFrame, bigframes.series.Series],
-        *,
         on: Optional[str] = None,
         how: str = "left",
         lsuffix: str = "",
diff --git a/third_party/bigframes_vendored/pandas/core/frame.py b/third_party/bigframes_vendored/pandas/core/frame.py
index 1d8f5cbace..557c332797 100644
--- a/third_party/bigframes_vendored/pandas/core/frame.py
+++ b/third_party/bigframes_vendored/pandas/core/frame.py
@@ -4601,9 +4601,8 @@ def map(self, func, na_action: Optional[str] = None) -> DataFrame:
     def join(
         self,
         other,
-        *,
         on: Optional[str] = None,
-        how: str,
+        how: str = "left",
         lsuffix: str = "",
         rsuffix: str = "",
     ) -> DataFrame: