Update app.py

app.py

@@ -13,7 +13,7 @@ print(headers)
 def index():
     url = 'https://yuripeyamashita-fetch2.hf.space/'    
     response = requests.get(url, headers=headers)
-    return response.json
+    return response.json()
 
 if __name__ == "__main__":
     app.run(host="0.0.0.0", port=7860)