Update app.py

app.py

@@ -47,7 +47,7 @@ def run_scripts(subfolder, source):
         target_extension = os.path.splitext(target_file)[-1]
         filename = os.path.basename(target_file)
         timestamp = datetime.now().strftime("%Y%m%d%H%M%S")
-        output_path = f"{filename}{timestamp}{target_extension}"
+        output_path = f"{filename}_{timestamp}{target_extension}"
         cmd1 = ["python3", "run.py", "-s", source.name, "-t", target_file, "-o", output_path, "--frame-processor", "face_swapper", "face_enhancer", '--many-faces']
         subprocess.run(cmd1)
         outputfile.append(output_path)