Update app.py

app.py

@@ -187,7 +187,7 @@ def build_qa_chain(collection_name, vector_db, file: str):
     embeddings = AzureOpenAIEmbeddings(
     model="text-embedding-ada-002",
     # dimensions: Optional[int] = None, # Can specify dimensions with new text-embedding-3 models   
-    azure_endpoint=, # If not provided, will read env variable AZURE_OPENAI_ENDPOINT
+    azure_endpoint=azure_endpt , # If not provided, will read env variable AZURE_OPENAI_ENDPOINT
     openai_api_key=api_key, # Can provide an API key directly. If missing read env variable AZURE_OPENAI_API_KEY   
     #openai_api_version="2023-05-15", # If not provided, will read env variable AZURE_OPENAI_API_VERSION
     openai_api_version="2023-05-15", # If not provided, will read env variable AZURE_OPENAI_API_VERSION