make sharepoint client blocking

gso/services/sharepoint.py

 """Sharepoint service used for creating new list items."""
 
+import asyncio
+
 from azure.identity.aio import CertificateCredential
 from msgraph import GraphServiceClient
 from msgraph.generated.models.field_value_set import FieldValueSet
@@ -27,26 +29,34 @@ class SPClient:
         self.site_id = sp_params.site_id
         self.list_ids = sp_params.list_ids
 
-    async def get_site(self) -> Site | None:
+    def get_site(self) -> Site | None:
         """Get the SharePoint site that this orchestrator connects to."""
-        return await self.client.sites.by_site_id(self.site_id).get()
 
-    async def get_list_items(self, list_name: str) -> ListItemCollectionResponse | None:
+        async def _get_site():
+            return await self.client.sites.by_site_id(self.site_id).get()
+
+        return asyncio.run(_get_site())
+
+    def get_list_items(self, list_name: str) -> ListItemCollectionResponse | None:
         """Get list items from a given list in SharePoint.
 
         :param str list_name: The name of the list.
         """
-        query_params = ItemsRequestBuilder.ItemsRequestBuilderGetQueryParameters(expand=["fields"])
-        request_configuration = ItemsRequestBuilder.ItemsRequestBuilderGetRequestConfiguration(
-            query_parameters=query_params
-        )
-        return (
-            await self.client.sites.by_site_id(self.site_id)
-            .lists.by_list_id(self.list_ids[list_name])
-            .items.get(request_configuration=request_configuration)
-        )
 
-    async def add_list_item(self, list_name: str, fields: dict[str, str]) -> str:
+        async def _get_list_items():
+            query_params = ItemsRequestBuilder.ItemsRequestBuilderGetQueryParameters(expand=["fields"])
+            request_configuration = ItemsRequestBuilder.ItemsRequestBuilderGetRequestConfiguration(
+                query_parameters=query_params
+            )
+            return (
+                await self.client.sites.by_site_id(self.site_id)
+                .lists.by_list_id(self.list_ids[list_name])
+                .items.get(request_configuration=request_configuration)
+            )
+
+        return asyncio.run(_get_list_items())
+
+    def add_list_item(self, list_name: str, fields: dict[str, str]) -> str:
         """Add a new entry to a SharePoint list.
 
         :param str list_name: The name of the list.
@@ -54,12 +64,16 @@ class SPClient:
 
         :return str: The URL of the list in which a new item has been created.
         """
-        request_body = ListItem(fields=FieldValueSet(additional_data=fields))
-        new_item = (
-            await self.client.sites.by_site_id(self.site_id)
-            .lists.by_list_id(self.list_ids[list_name])
-            .items.post(request_body)
-        )
 
-        #  Strip the last part of the URL, since we want the link to the list, not the list item.
-        return new_item.web_url.rsplit("/", 1)[0]
+        async def _new_list_item():
+            request_body = ListItem(fields=FieldValueSet(additional_data=fields))
+            new_item = (
+                await self.client.sites.by_site_id(self.site_id)
+                .lists.by_list_id(self.list_ids[list_name])
+                .items.post(request_body)
+            )
+
+            #  Strip the last part of the URL, since we want the link to the list, not the list item.
+            return new_item.web_url.rsplit("/", 1)[0]
+
+        return asyncio.run(_new_list_item())