From f088dcaf69fdaea84872cdc5ec4613488010455c Mon Sep 17 00:00:00 2001
From: Chris Brinkman <92697824+chris-brinkman@users.noreply.github.com>
Date: Sat, 3 Feb 2024 17:56:35 -0800
Subject: [PATCH] Update README.md for pandas >= 2.0

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index a484560..c908a52 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@ begin_year = 2017
 end_year = 2020
 for i in range(begin_year, end_year + 1):
     single_year = pd.DataFrame(cot.cot_year(i, cot_report_type='legacy_futopt')) 
-    df = df.append(single_year, ignore_index=True)
+    df = pd.concat([df, single_year], ignore_index=True)
 
 # Example: cot_all()
 df = cot.cot_all(cot_report_type='legacy_fut')
@@ -277,4 +277,4 @@ This project is licensed under the [MIT License](https://github.com/NDelventhal/
 
 ## Contact
 
-- The author: Niall Delventhal - ni.delventhal@gmail.com
\ No newline at end of file
+- The author: Niall Delventhal - ni.delventhal@gmail.com