diff --git a/pyproject.toml b/pyproject.toml
index cc3bf8fab..c3cb67eda 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ disable_error_code = [
     # tableauserverclient\server\endpoint\datasources_endpoint.py:48: error: Cannot assign multiple types to name "FilePath" without an explicit "Type[...]" annotation  [misc]
     'annotation-unchecked'  # can be removed when check_untyped_defs = true
 ]
-files = ["tableauserverclient", "test"]
+files = ["tableauserverclient", "test", "samples"]
 show_error_codes = true
 ignore_missing_imports = true  # defusedxml library has no types
 no_implicit_reexport = true
diff --git a/samples/explore_favorites.py b/samples/explore_favorites.py
index 364e078cc..f199522ed 100644
--- a/samples/explore_favorites.py
+++ b/samples/explore_favorites.py
@@ -3,7 +3,7 @@
 import argparse
 import logging
 import tableauserverclient as TSC
-from tableauserverclient import Resource
+from tableauserverclient.models import Resource
 
 
 def main():
@@ -46,8 +46,8 @@ def main():
         # get list of workbooks
         all_workbook_items, pagination_item = server.workbooks.get()
         if all_workbook_items is not None and len(all_workbook_items) > 0:
-            my_workbook: TSC.WorkbookItem = all_workbook_items[0]
-            server.favorites.add_favorite(server, user, Resource.Workbook.name(), all_workbook_items[0])
+            my_workbook = all_workbook_items[0]
+            server.favorites.add_favorite(user, Resource.Workbook, all_workbook_items[0])
             print(
                 "Workbook added to favorites. Workbook Name: {}, Workbook ID: {}".format(
                     my_workbook.name, my_workbook.id
diff --git a/samples/list.py b/samples/list.py
index 11e664695..2675a2954 100644
--- a/samples/list.py
+++ b/samples/list.py
@@ -48,6 +48,9 @@ def main():
             "webhooks": server.webhooks,
             "workbook": server.workbooks,
         }.get(args.resource_type)
+        if endpoint is None:
+            print("Resource type not found.")
+            sys.exit(1)
 
         options = TSC.RequestOptions()
         options.sort.add(TSC.Sort(TSC.RequestOptions.Field.Name, TSC.RequestOptions.Direction.Desc))
diff --git a/tableauserverclient/models/favorites_item.py b/tableauserverclient/models/favorites_item.py
index f157283cb..4fea280f7 100644
--- a/tableauserverclient/models/favorites_item.py
+++ b/tableauserverclient/models/favorites_item.py
@@ -1,8 +1,9 @@
 import logging
 
+from typing import Union
 from defusedxml.ElementTree import fromstring
-from tableauserverclient.models.tableau_types import TableauItem
 
+from tableauserverclient.models.tableau_types import TableauItem
 from tableauserverclient.models.datasource_item import DatasourceItem
 from tableauserverclient.models.flow_item import FlowItem
 from tableauserverclient.models.project_item import ProjectItem
@@ -20,7 +21,7 @@
 
 class FavoriteItem:
     @classmethod
-    def from_response(cls, xml: str, namespace: dict) -> FavoriteType:
+    def from_response(cls, xml: Union[str, bytes], namespace: dict) -> FavoriteType:
         favorites: FavoriteType = {
             "datasources": [],
             "flows": [],