Update app.py

app.py

@@ -234,7 +234,7 @@ def upload_file(file_obj):
 
 
 def demo():
-    with gr.Blocks(theme="base") as demo:
+    with gr.Blocks(theme=gr.themes.Soft()) as demo:
         vector_db = gr.State()
         qa_chain = gr.State()
         collection_name = gr.State()
@@ -287,7 +287,7 @@ def demo():
                                 type="value", info="Choose your language",interactive = True)
             lang_btn.select(intitalize_lang, inputs = lang_btn)
         
-        chatbot = gr.Chatbot(height=300)
+        chatbot = gr.Chatbot(height=600)
         chatbot.change(preprocess = english_to_indian, postprocess =  indian_to_english)
         
         with gr.Row():