Update app.py

app.py

@@ -62,7 +62,7 @@ title = "Chat with PDF"
 with gr.Blocks(theme=gr.themes.Glass(primary_hue=gr.themes.colors.stone)) as demo:
     gr.Markdown(f'<h1 style="text-align: center;">{title}</h1>')
     with gr.Row():
-        with gr.Column(scale=0.5):
+        with gr.Column():
             pdf_input = gr.File(type="file", label="Upload .pdf File")
             api_input = gr.Textbox(label= "Enter Api-key")
             upload_button = gr.Button(value="Upload & Start Chat", interactive=True, variant="primary")