diff --git a/backend/python/app/sources/external/microsoft/one_note/one_note.py b/backend/python/app/sources/external/microsoft/one_note/one_note.py
index 76dbc9ad19..ce6129b3d2 100644
--- a/backend/python/app/sources/external/microsoft/one_note/one_note.py
+++ b/backend/python/app/sources/external/microsoft/one_note/one_note.py
@@ -1,5 +1,3 @@
-
-
 import json
 import logging
 from dataclasses import asdict
@@ -2081,38 +2079,49 @@ async def groups_group_onenote_notebooks_notebook_section_groups_section_group_s
         """
         # Build query parameters including OData for OneNote
         try:
-            # Use typed query parameters
-            query_params = RequestConfiguration()
+            # Build query parameters including OData for OneNote using dictionary to avoid unnecessary instantiation
+            query_params = {}
             # Set query parameters using typed object properties
             if select:
-                query_params.select = select if isinstance(select, list) else [select]
+                query_params['select'] = select if isinstance(select, list) else [select]
             if expand:
-                query_params.expand = expand if isinstance(expand, list) else [expand]
+                query_params['expand'] = expand if isinstance(expand, list) else [expand]
             if filter:
-                query_params.filter = filter
+                query_params['filter'] = filter
             if orderby:
-                query_params.orderby = orderby
+                query_params['orderby'] = orderby
             if search:
-                query_params.search = search
+                query_params['search'] = search
             if top is not None:
-                query_params.top = top
+                query_params['top'] = top
             if skip is not None:
-                query_params.skip = skip
+                query_params['skip'] = skip
+
 
             # Create proper typed request configuration
             config = RequestConfiguration()
-            config.query_parameters = query_params
+            if query_params:
+                config.query_parameters = query_params
 
             if headers:
-                config.headers = headers
+                config.headers = headers.copy()  # avoid mutation of input headers
 
             # Add consistency level for search operations in OneNote
             if search:
-                if not config.headers:
+                if not hasattr(config, "headers") or config.headers is None:
                     config.headers = {}
                 config.headers['ConsistencyLevel'] = 'eventual'
 
-            response = await self.client.groups.by_group_id(group_id).onenote.notebooks.by_notebook_id(notebook_id).section_groups.by_section_group_id(sectionGroup_id).sections.by_onenote_section_id(onenoteSection_id).copy_to_notebook.post(body=request_body, request_configuration=config)
+            # Endpoints are chainable, but create variable path to avoid recomputing property lookups
+            section_req = (
+                self.client
+                .groups.by_group_id(group_id)
+                .onenote.notebooks.by_notebook_id(notebook_id)
+                .section_groups.by_section_group_id(sectionGroup_id)
+                .sections.by_onenote_section_id(onenoteSection_id)
+                .copy_to_notebook
+            )
+            response = await section_req.post(body=request_body, request_configuration=config)
             return self._handle_onenote_response(response)
         except Exception as e:
             return OneNoteResponse(