Update app.py

app.py

@@ -266,7 +266,13 @@ def generate_excel(df1, df2, df3, kpi_list1, kpi_list2, kpi_list3, kpi_query):
     sheet.sheet_view.zoomScaleNormal = 85
 
     # 파일 저장
-    output_file = f"KPI_POOL_{kpi_query}.xlsx"
+    
+    filename = f"KPI_POOL_{kpi_query}.xlsx"
+    
+    safe_filename = re.sub(r'\s*/\s*', '_', filename)
+    safe_filename = re.sub(r'\s+', ' ', safe_filename)
+    output_file = safe_filename.strip()
+    
     workbook.save(output_file)
 
     return gr.update(value=output_file, visible=True)