Addind Chat functions to QA retrival chain

app.py

@@ -132,32 +132,32 @@ with gr.Blocks(css=css) as demo:
                 """**Chat over you tube videos with [Falcon-7B-Instruct or ChatGPT]!**
                 """)
 
-    with gr.Column():
-        with gr.Row():
-            LLM_option = gr.Dropdown(['HuggingFace','OpenAI'],label='Large Language Model Selection',info='LLM Service')
-            API_key = gr.Textbox(label="Add API key", type="password",autofocus=True)
-        with gr.Accordion(label='Advanced options', open=False):
-                max_new_tokens = gr.Slider(
-                    label='Max new tokens',
-                    minimum=2048,
-                    maximum=MAX_NEW_TOKENS,
-                    step=1,
-                    value=DEFAULT_MAX_NEW_TOKENS,
+        with gr.Column():
+            with gr.Row():
+                LLM_option = gr.Dropdown(['HuggingFace','OpenAI'],label='Large Language Model Selection',info='LLM Service')
+                API_key = gr.Textbox(label="Add API key", type="password",autofocus=True)
+            with gr.Accordion(label='Advanced options', open=False):
+                    max_new_tokens = gr.Slider(
+                        label='Max new tokens',
+                        minimum=2048,
+                        maximum=MAX_NEW_TOKENS,
+                        step=1,
+                        value=DEFAULT_MAX_NEW_TOKENS,
+                        )
+                    temperature = gr.Slider(
+                    label='Temperature',
+                    minimum=0.1,
+                    maximum=4.0,
+                    step=0.1,
+                    value=DEFAULT_TEMPERATURE,
+                    )
+                    char_length = gr.Slider(
+                        label='Max Character',
+                        minimum= DEFAULT_CHAR_LENGTH,
+                        maximum = 5*DEFAULT_CHAR_LENGTH,
+                        step = 500,
+                        value= 1500
                     )
-                temperature = gr.Slider(
-                label='Temperature',
-                minimum=0.1,
-                maximum=4.0,
-                step=0.1,
-                value=DEFAULT_TEMPERATURE,
-                )
-                char_length = gr.Slider(
-                    label='Max Character',
-                    minimum= DEFAULT_CHAR_LENGTH,
-                    maximum = 5*DEFAULT_CHAR_LENGTH,
-                    step = 500,
-                    value= 1500
-                )
     with gr.Group():
         chatbot = gr.Chatbot(height=300)