Update app.py

app.py

@@ -153,8 +153,12 @@ demo = gr.Interface(
 
 app = FastAPI()
 
+@app.head("/predict")
+def predict_head():
+    return {}
+
 @app.get("/predict")
-def read_main(text: str = "", labels: str = "", threshold: float = 0.3, nested_ner: bool = False):
+def predict_get(text: str = "", labels: str = "", threshold: float = 0.3, nested_ner: bool = False):
     predict_response = requests.post('http://localhost:7860/call/predict', json={'data': [text, labels, threshold, nested_ner]}).json()
     if "event_id" not in predict_response:
         return predict_response