Update app.py

app.py

@@ -268,6 +268,7 @@ guide = """> ### 저작권 및 유의사항 안내
 시앤피컨설팅그룹 일터혁신본부  |  Tel. 02-6257-1448  |  http://www.cnp.re.kr  |  hpw@cnp.re.kr
 """
 
+empty_df = pd.DataFrame(columns=["지표명", "산식", "비고", "카테고리"])
 
 with gr.Blocks(css=css) as demo:
 
@@ -297,17 +298,17 @@ with gr.Blocks(css=css) as demo:
                 with gr.Row():
                     kpi_checkbox = gr.CheckboxGroup(choices=[], interactive=True, elem_classes="v_check", container=False, min_width=5, scale=1)
                     
-                    kpi_table1 = gr.Dataframe(label="BGE",scale=33, value=[], show_label=False, max_height = 650,
+                    kpi_table1 = gr.Dataframe(label="BGE",scale=33, value=empty_df, show_label=False, max_height = 650,
                         # ['지표명', '산식','비고', '카테고리']
                         column_widths=[80, 180, 160, 70],
                         datatype=["str", "str", "str", "str"],
                     )
-                    kpi_table2 = gr.Dataframe(label="SBERT-snunlp",scale=33, value=[], show_label=False, max_height = 650,
+                    kpi_table2 = gr.Dataframe(label="SBERT-snunlp",scale=33, value=empty_df, show_label=False, max_height = 650,
                         # ['지표명', '산식','비고', '카테고리']
                         column_widths=[80, 180, 160, 70],
                         datatype=["str", "str", "str", "str"],
                     )
-                    kpi_table3 = gr.Dataframe(label="SBERT-jhgan",scale=33, value=[], show_label=False, max_height = 650,
+                    kpi_table3 = gr.Dataframe(label="SBERT-jhgan",scale=33, value=empty_df, show_label=False, max_height = 650,
                         # ['지표명', '산식','비고', '카테고리']
                         column_widths=[80, 180, 160, 70],
                         datatype=["str", "str", "str", "str"],