adding chatbot with advanced options

app.py

@@ -105,17 +105,17 @@ def process_pdf_document(document_file):
     return document
 
 def infer(question, history):
+    # res = []
+    # # for human, ai in history[:-1]:
+    # #     pair = (human, ai)
+    # #     res.append(pair)
     
-    res = []
-    for human, ai in history[:-1]:
-        pair = (human, ai)
-        res.append(pair)
-    
-    chat_history = res
+    # chat_history = res
     result = qa({"query": question})
     return result["result"]
 
 def bot(history):
+    print("History :",history)
     response = infer(history[-1][0], history)
     history[-1][1] = ""