Update app.py

app.py

@@ -20,7 +20,7 @@ AZURE_OPENAI_LLM_DEPLOYMENT = os.getenv("AZURE_OPENAI_LLM_DEPLOYMENT")
 
 embeddings = OpenAIEmbeddings(openai_api_key=AZURE_OPENAI_API_KEY)
 
-if not all([AZURE_OPENAI_API_KEY, AZURE_OPENAI_ENDPOINT, AZURE_OPENAI_LLM_DEPLOYMENT, OPENAI_EMBEDDING]):
+if not all([AZURE_OPENAI_API_KEY, AZURE_OPENAI_ENDPOINT, AZURE_OPENAI_LLM_DEPLOYMENT]):
     raise ValueError("Azure OpenAI environment variables are missing.")
 
 # Suppress warnings