Fix format issue.

Author: shaoyijia

knowledge_storm/rm.py

@@ -1097,7 +1097,7 @@ def forward(
 
 class AzureAISearch(dspy.Retrieve):
     """Retrieve information from custom queries using Azure AI Search.
-    
+
     General Documentation: https://learn.microsoft.com/en-us/azure/search/search-create-service-portal.
     Python Documentation: https://learn.microsoft.com/en-us/python/api/overview/azure/search-documents-readme?view=azure-python.
     """