Final syntax fix: remove extra bracket from env variable

app.py

@@ -1,10 +1,15 @@
 import os
+import sys
 
-# Ensure Hugging Face writes cache to a safe writable location on Spaces
+# Hugging Face safe cache
 os.environ["HF_HOME"] = "/tmp/huggingface"
 os.environ["TRANSFORMERS_CACHE"] = "/tmp/huggingface/transformers"
 os.environ["HUGGINGFACE_HUB_CACHE"] = "/tmp/huggingface/hub"
 
+# Force Flask instance path to a writable local folder
+safe_instance_path = os.path.abspath("flask_instance")
+os.makedirs(safe_instance_path, exist_ok=True)
+
 from flask import Flask, render_template, redirect, url_for, flash, request
 from flask_login import LoginManager, login_required, current_user
 from werkzeug.utils import secure_filename
@@ -26,15 +31,14 @@ from backend.routes.interview_api import interview_api
 from backend.models.resume_parser.resume_to_features import extract_resume_features
 
 # Initialize Flask app
-safe_instance_path = os.path.abspath("flask_instance")
-
 app = Flask(
     __name__,
     static_folder='backend/static',
     static_url_path='/static',
     template_folder='backend/templates',
-    instance_path=safe_instance_path  # ✅ force-safe location
+    instance_path=safe_instance_path  # ✅ points to local 'flask_instance'
 )
+
 os.makedirs(safe_instance_path, exist_ok=True)