Update main.py

main.py

@@ -20,7 +20,7 @@ new_list = load_data('country.csv')
 
 @app.get("/getdata")
 def getData():
-    return {"data": new_list}}
+    return {"data": new_list}
 
 app.mount('/',StaticFiles(directory="static",html=True),name="static")