Update app.py

app.py

@@ -658,8 +658,8 @@ with gr.Blocks(theme='gradio/soft',js=js_func) as demo:
         start_date = df['Date'].min()
         end_date = df['Date'].max()
         with gr.Row():
-            start = [Calendar(value =start_date, type="datetime", label="Start")]
-            end = [Calendar(value=end_date,type="datetime", label="End")]
+            start = Calendar(value =start_date, type="datetime", label="Start")
+            end = Calendar(value=end_date,type="datetime", label="End")
             apply_btn = gr.Button("Apply", scale=0)
             reset_btn = gr.Button("Reset", scale=0)
         # data_table = gr.DataFrame(value=df[['Date', 'Positive_ratio', 'Negative_ratio', 'Total_paragraphs']], label="Sentiment Data", height=500)