From 67c441ae8261008dc1d9a6cc5fa58b08b6aeb80c Mon Sep 17 00:00:00 2001
From: MarcoGorelli <>
Date: Mon, 3 Apr 2023 09:38:05 +0100
Subject: [PATCH] add groupby.size

---
 spec/API_specification/dataframe_api/groupby_object.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/spec/API_specification/dataframe_api/groupby_object.py b/spec/API_specification/dataframe_api/groupby_object.py
index a00cc9ec..43596a66 100644
--- a/spec/API_specification/dataframe_api/groupby_object.py
+++ b/spec/API_specification/dataframe_api/groupby_object.py
@@ -34,3 +34,6 @@ def std(self, skipna: bool = True) -> "DataFrame":
 
     def var(self, skipna: bool = True) -> "DataFrame":
         ...
+
+    def size(self) -> "DataFrame":
+        ...