Update server.py

server.py

@@ -86,7 +86,10 @@ def run_graders():
 # START SERVER
 # ============================================
 
-if __name__ == "__main__":
+def main():
     print("Starting Email Sorting Environment Server...")
     print("Server running at http://localhost:7860")
-    uvicorn.run(app, host="0.0.0.0", port=7860)
+    uvicorn.run(app, host="0.0.0.0", port=7860)
+
+if __name__ == "__main__":
+    main()