Update app.py

app.py

@@ -26,8 +26,8 @@ def query2(fetch_url):
 
 
 with gr.Blocks() as app:
-    data_set_url=gr.Textbox():
-    fetch_btn=gr.Button():
-    out_json = gr.JSON():
+    data_set_url=gr.Textbox()
+    fetch_btn=gr.Button()
+    out_json = gr.JSON()
     fetch_btn.click(query2,data_set_url,out_json)
 app.launch()