From eaad67317734767c5101e6620e5c1b07915bc2b8 Mon Sep 17 00:00:00 2001
From: luzhenxiong <397132445@qq.com>
Date: Fri, 2 Sep 2022 11:33:22 +0800
Subject: [PATCH] DOC: add pd.Grouper type to groupby by argument types

---
 pandas/core/shared_docs.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pandas/core/shared_docs.py b/pandas/core/shared_docs.py
index 09c8cf39f5839..296e25fd5c187 100644
--- a/pandas/core/shared_docs.py
+++ b/pandas/core/shared_docs.py
@@ -94,7 +94,7 @@
 
 Parameters
 ----------
-by : mapping, function, label, or list of labels
+by : mapping, function, label, pd.Grouper or list of labels
     Used to determine the groups for the groupby.
     If ``by`` is a function, it's called on each value of the object's
     index. If a dict or Series is passed, the Series or dict VALUES