Update app.py

app.py

@@ -109,7 +109,7 @@ def extract_comic_archive(archive_path, extract_to):
     elif archive_path.endswith(".cbr"):
         patoolib.extract_archive(archive_path, outdir=extract_to)
 
-def process_cbz_cbr(file):
+def process_cbz_cbr(input_files):
     temp_output = tempfile.mkdtemp()
 
     for file in input_files: