change model to tfidf xgb

tasks/text.py

@@ -48,7 +48,7 @@ def tree_classifier(test_dataset: dict, model: str):
 @router.post(ROUTE, tags=["Text Task"], 
              description=DESCRIPTION)
 async def evaluate_text(request: TextEvaluationRequest,
-                        model: str = "baseline"):
+                        model: str = "tfidf_xgb"):
     """
     Evaluate text classification for climate disinformation detection.