From 0bd23859e54664e18c268f65f3c4199991f63ed9 Mon Sep 17 00:00:00 2001
From: Linlang <30293408+SunsetWolf@users.noreply.github.com>
Date: Sat, 22 Oct 2022 17:32:56 +0800
Subject: [PATCH] fix_CI_error (#1325)

---
 setup.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/setup.py b/setup.py
index 4527cf9109..8ce3b93f6e 100644
--- a/setup.py
+++ b/setup.py
@@ -154,6 +154,9 @@ def get_version(rel_path: str) -> str:
             "baostock",
             "yahooquery",
             "beautifulsoup4",
+            # The 5.0.0 version of importlib-metadata removed the deprecated endpoint,
+            # which prevented flake8 from working properly, so we restricted the version of importlib-metadata.
+            "importlib-metadata<5.0.0",
             "tianshou",
             "gym>=0.24",  # If you do not put gym at the end, gym will degrade causing pytest results to fail.
         ],