Update app.py

app.py

@@ -101,7 +101,7 @@ def build_model(model_choice, temperature=0.7):
     if model_choice == "Flan-T5 (Free)":
         llm = HuggingFaceEndpoint(
             repo_id="google/flan-t5-base",
-             huggingfacehub_api_token=api_key,
+            huggingfacehub_api_token=api_key,
             task="text2text-generation",
             max_new_tokens=500,
             temperature=temperature