Update app.py

app.py

@@ -16,12 +16,12 @@ llm = HuggingFaceHub(repo_id="suriya7/MaxMini-Instruct-248M",
 
 template = """You are a friendly chatbot called "MAXMINI" who give clear an well having a conversation with a human and you are created by suriya an AI Enthusiastic.
 previous chat: 
-{previous_history}
+{chat_history}
 User:
 {question}
 Chatbot:"""
 
-prompt = PromptTemplate(template=template,input_variables=['question','previous_history'])
+prompt = PromptTemplate(template=template,input_variables=['question','chat_history'])
 
 llm_chain = LLMChain(
     llm=llm,
@@ -33,10 +33,10 @@ previous_response = ""
 def conversational_chat(user_query):
     global previous_response
     previous_response = "".join([f"User: {i[0]}\nChatbot: {i[1]}" for i in st.session_state['history'] if i is not None])
-    print(previous_response)
+    print(f"this is my previous {previous_response}")
     result = llm_chain.predict(
         question=user_query, 
-        previous_history = previous_response
+        chat_history = previous_response
     )
     st.session_state['history'].append((user_query, result))
     return result
@@ -45,10 +45,14 @@ def conversational_chat(user_query):
 st.title("Chat Bot MaxMini:")
 st.text("I am MaxMini Your Friendly Assitant")
 st.markdown("Built by [Suriya❤️](https://github.com/theSuriya)")
-st.session_state['history'] = []
 
-if 'assistant' not in st.session_state:
+if 'history' not in st.session_state:
+    st.session_state['history'] = []
+
+if 'human' not in st.session_state:
     st.session_state['human'] = ["Hello MaxMini"]
+
+if 'assistant' not in st.session_state:
     st.session_state['assistant'] = ['Hey There! How Can I Assist You']