Update app.py

app.py

@@ -11,6 +11,8 @@ from langchain.llms import OpenAI
 
 from langchain.embeddings import OpenAIEmbeddings
 
+from langchain.llms import AzureOpenAI
+import openai
 
 from langchain.vectorstores import Chroma
 
@@ -20,8 +22,16 @@ def loading_pdf():
     return "Loading..."
 
 def pdf_changes(pdf_doc, open_ai_key):
-    if openai_key is not None:
+    if True:
         os.environ['OPENAI_API_KEY'] = open_ai_key
+        os.environ['OPENAI_API_TYPE'] = 'azure'
+        # API version to use (Azure has several)
+        os.environ['OPENAI_API_VERSION'] = '0301'
+        # base URL for your Azure OpenAI resource
+        os.environ['OPENAI_API_BASE'] = 'https://nand3.openai.azure.com'
+        
+        llm = AzureOpenAI(deployment_name="Nand", model_name="gpt-35-turbo")
+         
         loader = OnlinePDFLoader(pdf_doc.name)
         documents = loader.load()
         text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
@@ -31,7 +41,7 @@ def pdf_changes(pdf_doc, open_ai_key):
         retriever = db.as_retriever()
         global qa 
         qa = ConversationalRetrievalChain.from_llm(
-            llm=OpenAI(temperature=0.5), 
+            llm=AzureOpenAI(deployment_name="Nand", model_name="gpt-35-turbo"), 
             retriever=retriever, 
             return_source_documents=False)
         return "Ready"