Fix Windows Build (#2333)

Author: msaroufim

setup.py

@@ -688,7 +688,7 @@ def bool_to_on_off(value):
     ext_modules=get_extensions(),
     extras_require={"dev": read_requirements("dev-requirements.txt")},
     description="Package for applying ao techniques to GPU models",
-    long_description=open("README.md").read(),
+    long_description=open("README.md", encoding="utf-8").read(),
     long_description_content_type="text/markdown",
     url="https://github.com/pytorch/ao",
     cmdclass={"build_ext": TorchAOBuildExt},