fixes

app.py

@@ -68,14 +68,14 @@ def parse_notebook(filter_options):
 
 with gr.Blocks() as demo:
     gr.Markdown("# Kaggle Notebooks")
-    filter_options = gr.Radio(["none", "has outputs", ">1MB"], label="Notebook filters", info="A lot of notebooks are short or have the outputs stripped - filters help finding interesting ones."),
+    filter_options = gr.Radio(["none", "has outputs", ">1MB"], value="none", label="Notebook filters", info="A lot of notebooks are short or have the outputs stripped - filters help finding interesting ones."),
 
     button = gr.Button("Show next!")
     file = gr.File()
     html = gr.HTML("")
 
     
-    button.click(fn=parse_notebook, inputs=[filter_options], outputs=[html, file])
-    demo.load(fn=parse_notebook, inputs=[filter_options], outputs=[html, file])
+    button.click(fn=parse_notebook, inputs=filter_options, outputs=[html, file])
+    demo.load(fn=parse_notebook, inputs=filter_options, outputs=[html, file])
 
 demo.launch()