Upload app (1).py

app (1).py

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+
+import streamlit as st
+
+
+from langchain.chat_models import ChatOpenAI
+from langchain.schema import (
+    AIMessage,
+    HumanMessage,
+    SystemMessage
+)
+
+# From here down is all the StreamLit UI.
+st.set_page_config(page_title="LangChain Demo", page_icon=":robot:")
+st.header("Hey, I'm your Chat GPT")
+
+
+
+if "sessionMessages" not in st.session_state:
+     st.session_state.sessionMessages = [
+        SystemMessage(content="You are a helpful assistant.")
+    ]
+
+
+
+def load_answer(question):
+
+    st.session_state.sessionMessages.append(HumanMessage(content=question))
+
+    assistant_answer  = chat(st.session_state.sessionMessages )
+
+    st.session_state.sessionMessages.append(AIMessage(content=assistant_answer.content))
+
+    return assistant_answer.content
+
+
+def get_text():
+    input_text = st.text_input("You: ", key= input)
+    return input_text
+
+
+chat = ChatOpenAI(temperature=0)
+
+
+
+
+user_input=get_text()
+submit = st.button('Generate')  
+
+if submit:
+    
+    response = load_answer(user_input)
+    st.subheader("Answer:")
+
+    st.write(response,key= 1)
+