diff --git a/pymilvus/client/grpc_handler.py b/pymilvus/client/grpc_handler.py
index 20a1d2ae1..1472c0fe1 100644
--- a/pymilvus/client/grpc_handler.py
+++ b/pymilvus/client/grpc_handler.py
@@ -1871,7 +1871,7 @@ def revoke_privilege(
         )
         resp = self._stub.OperatePrivilege(req, wait_for_ready=True, timeout=timeout)
         check_status(resp)
-    
+
     @retry_on_rpc_failure()
     def grant_privilege_v2(
         self,
diff --git a/pymilvus/milvus_client/milvus_client.py b/pymilvus/milvus_client/milvus_client.py
index ba4611361..b66efd15b 100644
--- a/pymilvus/milvus_client/milvus_client.py
+++ b/pymilvus/milvus_client/milvus_client.py
@@ -1002,7 +1002,7 @@ def revoke_privilege(
         conn.revoke_privilege(
             role_name, object_type, object_name, privilege, db_name, timeout=timeout, **kwargs
         )
-    
+
     def grant_privilege_v2(
         self,
         role_name: str,
@@ -1014,7 +1014,7 @@ def grant_privilege_v2(
     ):
         conn = self._get_connection()
         conn.grant_privilege_v2(
-            role_name, privilege, db_name, collection_name,timeout=timeout, **kwargs
+            role_name, privilege, db_name, collection_name, timeout=timeout, **kwargs
         )
 
     def revoke_privilege_v2(
@@ -1028,7 +1028,7 @@ def revoke_privilege_v2(
     ):
         conn = self._get_connection()
         conn.revoke_privilege(
-            role_name, privilege, db_name, collection_name,timeout=timeout, **kwargs
+            role_name, privilege, db_name, collection_name, timeout=timeout, **kwargs
         )
 
     def create_alias(
diff --git a/pymilvus/orm/role.py b/pymilvus/orm/role.py
index 9768f689e..66c68dd77 100644
--- a/pymilvus/orm/role.py
+++ b/pymilvus/orm/role.py
@@ -190,7 +190,7 @@ def grant_v2(self, privilege: str, db_name: str, collection_name: str):
             >>> from pymilvus.orm.role import Role
             >>> connections.connect()
             >>> role = Role(role_name)
-            >>> role.grant_v2("Insert", db_name, collection_name)   
+            >>> role.grant_v2("Insert", db_name, collection_name)
         """
         return self._get_connection().grant_privilege_v2(
             self._name, privilege, db_name, collection_name
@@ -210,7 +210,7 @@ def revoke_v2(self, privilege: str, db_name: str, collection_name: str):
             >>> from pymilvus.orm.role import Role
             >>> connections.connect()
             >>> role = Role(role_name)
-            >>> role.revoke_v2("Insert", db_name, collection_name)   
+            >>> role.revoke_v2("Insert", db_name, collection_name)
         """
         return self._get_connection().revoke_privilege_v2(
             self._name, privilege, db_name, collection_name