fix: add UTF-8 encoding when reading README.md

setup.py

@@ -3,7 +3,7 @@ import os
 import pkg_resources
 from setuptools import find_packages, setup
 
-with open("README.md") as f:
+with open("README.md", "r", encoding="utf-8") as f:
     long_description = f.read()
 
 setup(