Update app.py

app.py

@@ -66,7 +66,7 @@ with gr.Blocks(css=css) as demo:
         
         with gr.Column():
             pdf_doc = gr.File(label="Load a pdf", file_types=['.pdf'], type="file")
-            repo_id = gr.Dropdown(label="LLM", choices=["google/flan-ul2", "stabilityai/stablelm-tuned-alpha-3b", "databricks/dolly-v2-3b", "Writer/camel-5b-hf" ], value="google/flan-ul2")
+            repo_id = gr.Dropdown(label="LLM", choices=["google/flan-ul2", "stabilityai/stablelm-tuned-alpha-3b"], value="google/flan-ul2")
             with gr.Row():
                 langchain_status = gr.Textbox(label="Status", placeholder="", interactive=False)
                 load_pdf = gr.Button("Load pdf to langchain")