docs: use Google-style non-ORM docstrings (#3747)

Convert the remaining non-ORM reStructuredText docstrings in
MilvusClient.list_indexes and the struct-field conversion helper to
Google style.

See also: #809

Signed-off-by: pymilvus-bot <pymilvus@zilliz.com>

Author: pymilvus-bot

pymilvus/client/utils.py

@@ -426,11 +426,13 @@ def sparse_parse_single_row(data: bytes) -> SparseRowOutputType:
 
 
 def convert_struct_fields_to_user_format(struct_array_fields: List[Dict]) -> List[Dict]:
-    """
-    Convert internal struct_array_fields representation to user-friendly format.
+    """Convert internal struct array fields to a user-friendly format.
+
+    Args:
+        struct_array_fields (List[Dict]): Struct field information from the server.
 
-    :param struct_array_fields: List of struct field info from server
-    :return: List of user-friendly field dictionaries
+    Returns:
+        List[Dict]: User-friendly field dictionaries.
     """
     converted_fields = []
 

pymilvus/milvus_client/milvus_client.py

@@ -1081,18 +1081,15 @@ def refresh_load(self, collection_name: str, timeout: Optional[float] = None, **
         )
 
     def list_indexes(self, collection_name: str, field_name: Optional[str] = "", **kwargs):
-        """List all indexes of collection. If `field_name` is not specified,
-            return all the indexes of this collection, otherwise this interface will return
-            all indexes on this field of the collection.
+        """List indexes in a collection.
 
-        :param collection_name: The name of collection.
-        :type  collection_name: str
-
-        :param field_name: The name of field.  If no field name is specified, all indexes
-                of this collection will be returned.
+        Args:
+            collection_name (str): The name of the collection.
+            field_name (str, optional): The name of the field. If omitted, indexes for all
+                fields are returned. Defaults to "".
 
-        :return: The name list of all indexes.
-        :rtype: str list
+        Returns:
+            List[str]: The names of the indexes.
         """
         conn = self._get_connection()
         indexes = conn.list_indexes(