adding chatbot

app.py

@@ -67,8 +67,9 @@ def document_loader(file_path,api_key,doc_type='pdf',llm='Huggingface'):
                                      chain_type='stuff',
                                      retriever=vector_db.as_retriever(),
                                     #  chain_type_kwargs=chain_type_kwargs,
-                                    #  return_source_documents=True
+                                    return_source_documents=True
                                     )
+        print(qa)
     else:
         return "Error in loading Documents "
     
@@ -152,10 +153,10 @@ with gr.Blocks(css=css) as demo:
                 with gr.Box():
                     pdf_doc = gr.File(label="Upload File to start QA", file_types=FILE_EXT, type="file")
                     with gr.Row():
-                        langchain_status = gr.Textbox(label="Status", placeholder="", interactive=True)
-                        load_pdf = gr.Button("Upload File & Generate Embeddings",).style(full_width=False)
+                        langchain_status = gr.Textbox(label="Status", placeholder="", interactive = False)
+                        load_pdf = gr.Button("Upload File & Generate Embeddings",).style(full_width = False)
 
-        # chatbot = gr.Chatbot()
+        # chatbot = gr.Chatbot()l̥
         # question = gr.Textbox(label="Question", placeholder="Type your question and hit Enter")
         # submit_button = gr.Button("Send Message")