Update setup.py

setup.py

@@ -36,7 +36,7 @@ setup(
     long_description=open("README.md", encoding="utf-8").read(),
     long_description_content_type="text/markdown",
     readme="README.md",
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     author="OpenAI",
     url="https://github.com/openai/whisper",
     license="MIT",