Update app.py

app.py

@@ -45,5 +45,7 @@ with gr.Blocks() as demo:
     infile = gr.File()
     text   = gr.TextArea()
 
+    btn = gr.Button("Run")
+    btn.click(fn=dothis, inputs=infile, outputs=text)
 
-demo.launch(dothis, infile, text )
+demo.launch( )