Update app/routes.py

app/routes.py

@@ -14,10 +14,19 @@ logger = logging.getLogger(__name__)
 
 main = Blueprint('main', __name__)
 ocr_model = OCRModel()
-allergy_analyzer = AllergyAnalyzer(current_app.config['ALLERGY_DATASET_PATH'])
+allergy_analyzer = None
 
 ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg'}
 
+def init_allergy_analyzer():
+    global allergy_analyzer
+    if allergy_analyzer is None:
+        allergy_analyzer = AllergyAnalyzer(current_app.config['ALLERGY_DATASET_PATH'])
+
+@main.before_app_first_request
+def before_first_request():
+    init_allergy_analyzer()
+
 def allowed_file(filename):
     """Validate file extension"""
     return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS