try to fix path error

app.py

@@ -11,8 +11,8 @@ from flask import send_file
 logger = logging.getLogger(__name__)
 logging.basicConfig(level=logging.INFO)
 
-UPLOAD_FOLDER = 'images'
-OUT_FOLDER = 'anno'
+UPLOAD_FOLDER = './images'
+OUT_FOLDER = './anno'
 
 app = Flask(__name__)
 app.config['SEND_FILE_MAX_AGE_DEFAULT'] = 0
@@ -25,9 +25,11 @@ app.config["HEAD"] = 0
 app.config["SESSION_PERMANENT"] = False
 
 # Ensure the upload directory exists
-if not os.path.exists(os.path.join(os.getcwd(), UPLOAD_FOLDER)):
+#if not os.path.exists(os.path.join(os.getcwd(), UPLOAD_FOLDER)):
+if not os.path.exists(UPLOAD_FOLDER):
     os.makedirs(UPLOAD_FOLDER)
-if not os.path.exists(os.path.join(os.getcwd(), OUT_FOLDER)):
+#if not os.path.exists(os.path.join(os.getcwd(), OUT_FOLDER)):
+if not os.path.exists(OUT_FOLDER):
     os.makedirs(OUT_FOLDER)