Update app.py

app.py

@@ -1,5 +1,4 @@
 import streamlit as st
-from dotenv import load_dotenv
 import pickle
 from PyPDF2 import PdfReader
 from streamlit_extras.add_vertical_space import add_vertical_space
@@ -35,7 +34,7 @@ with st.sidebar:
     add_vertical_space(3)  # Add more vertical space between text blocks
     st.write('Made with ❤️ by Anne')
 
-load_dotenv()
+openai_api_key = st.text_input("Enter your OpenAI API key:")
 
 def load_pdf(file_path):
     pdf_reader = PdfReader(file_path)
@@ -63,8 +62,11 @@ def load_pdf(file_path):
 
     return VectorStore
 
-def load_chatbot():
-    return load_qa_chain(llm=OpenAI(), chain_type="stuff")
+def load_chatbot(openai_api_key):
+    openai_config = {
+        "api_key": openai_api_key
+    }
+    return load_qa_chain(llm=OpenAI(config=openai_config), chain_type="stuff")
 
 def main():
     st.title("BinDocs Chat App")