Additional tweaks per feedback/tests

- Reverted last commit's swap of argparse.Namespace for mock.MagicMock since mock requires the "name" argument, which isn't allowed by MagicMock on initialization
- Added reactpy to dependencies in environment.yml

environment.yml

@@ -107,4 +107,5 @@ dependencies:
 
   # reactpy dependencies
   - pip:
+    - reactpy
     - reactpy-django

tests/unit_tests/test_tethys_apps/test_base/test_app_base.py

@@ -6,6 +6,7 @@
 from django.db.utils import ProgrammingError
 from django.test import RequestFactory, override_settings
 from django.core.exceptions import ValidationError, ObjectDoesNotExist
+from argparse import Namespace
 
 from tethys_apps.exceptions import (
     TethysAppSettingDoesNotExist,
@@ -1557,11 +1558,11 @@ def test_navigation_links_auto_excluded_page(self):
         app.root_url = "test-app"
 
         app._registered_url_maps = [
-            mock.MagicMock(name="exclude_page", title="Exclude Page", index=-1),
-            mock.MagicMock(name="last_page", title="Last Page", index=3),
-            mock.MagicMock(name="third_page", title="Third Page", index=2),
-            mock.MagicMock(name="second_page", title="Second Page", index=1),
-            mock.MagicMock(name="home", title="Home", index=0),
+            Namespace(name="exclude_page", title="Exclude Page", index=-1),
+            Namespace(name="last_page", title="Last Page", index=3),
+            Namespace(name="third_page", title="Third Page", index=2),
+            Namespace(name="second_page", title="Second Page", index=1),
+            Namespace(name="home", title="Home", index=0),
         ]
 
         links = app.navigation_links