fixe scripts path

app.py

@@ -87,7 +87,7 @@ def train_model(model_module, data_option, data_file, data_path, data_name_kaggl
         return "Invalid data option selected.", None
 
     # Prepare command-line arguments for train_classification_model.py
-    cmd = [sys.executable, os.path.join(project_root, 'scripts', 'train_classification_model.py')]
+    cmd = [sys.executable, os.path.join('scripts', 'train_classification_model.py')]
     cmd.extend(['--model_module', model_module])
     cmd.extend(['--data_path', data_path])
     cmd.extend(['--target_variable', target_variable])