adding Laama chat7b model

app.py

@@ -67,7 +67,7 @@ def audio_processor(wav_file,API_key,wav_model='small',llm='HuggingFace',tempera
     global vector_db
     vector_db = FAISS.from_documents(documents=texts, embedding= embedding_model)
     global qa
-    
+
     if llm == 'HuggingFace':
         chat = llm_ops.get_hugging_face_model(
                             model_id="meta-llama/Llama-2-7b",
@@ -146,7 +146,7 @@ with gr.Blocks(css=css) as demo:
         chatbot = gr.Chatbot(height=270)
     
     with gr.Row():
-        question = gr.Textbox(label="Type your question !",lines=1).style(full_width=True)
+        question = gr.Textbox(label="Type your question !",lines=1,interactive=True)
     
     with gr.Row():
         submit_btn = gr.Button(value="Send message", variant="primary", scale = 1)