Update app.py

app.py

@@ -9,8 +9,28 @@ from langchain_community.document_loaders import Docx2txtLoader
 from langchain_community.document_loaders import UnstructuredWordDocumentLoader
 from langchain.indexes import VectorstoreIndexCreator
 from langchain_community.document_loaders import PyPDFLoader
-
+import datetime
 import os
 
 from dotenv import load_dotenv, find_dotenv
 _ = load_dotenv(find_dotenv()) 
+
+
+# account for deprecation of LLM model
+
+# Get the current date
+current_date = datetime.datetime.now().date()
+
+# Define the date after which the model should be set to "gpt-3.5-turbo"
+target_date = datetime.date(2024, 6, 12)
+
+# Set the model variable based on the current date
+if current_date > target_date:
+    llm_model = "gpt-3.5-turbo"
+else:
+    llm_model = "gpt-3.5-turbo-0301"
+
+loader = PyPDFLoader("Firm_Data.pdf")
+index = VectorstoreIndexCreator(
+    vectorstore_cls=DocArrayInMemorySearch
+).from_loaders([loader])