Update app.py

app.py

@@ -436,7 +436,7 @@ class ReportGenerator:
 
         pdf.output(output_path)
 
-    def process_files(html_file, excel_files) -> Tuple[str, str, str]:
+def process_files(html_file, excel_files) -> Tuple[str, str, str]:
         """Processa arquivos e gera relatório."""
         try:
             temp_dir = "temp_files"