resolve pylint issues

Author: Rafi-Microsoft

src/api/services/history_service.py

@@ -30,9 +30,7 @@ def __init__(self):
             and self.azure_cosmosdb_conversations_container
         )
 
-    
         self.azure_openai_deployment_name = config.azure_openai_deployment_model
-        
         self.azure_client_id = config.azure_client_id
 
         # AI Project configuration for Foundry SDK
@@ -59,7 +57,6 @@ def init_cosmosdb_client(self):
             logger.exception("Failed to initialize CosmosDB client")
             raise
 
-
     async def generate_title(self, conversation_messages):
         title_prompt = (
             "Summarize the conversation so far into a 4-word or less title. "