diff --git a/borgmatic/actions/browse/directory_list.py b/borgmatic/actions/browse/directory_list.py
index cfa54b89..6e39c912 100644
--- a/borgmatic/actions/browse/directory_list.py
+++ b/borgmatic/actions/browse/directory_list.py
@@ -51,7 +51,9 @@ def make_directory_list_option(archive_path, relative_path_components):
         relative_path_components[0],
     ) + (('→', archive_path.link_target) if archive_path.link_target else ())
 
-    return textual.widgets.option_list.Option(prompt=' '.join(pieces), id=relative_path_components[0])
+    return textual.widgets.option_list.Option(
+        prompt=' '.join(pieces), id=relative_path_components[0]
+    )
 
 
 def add_archive_paths(
@@ -61,6 +63,10 @@ def add_archive_paths(
     archive_name,
     archive_paths,
 ):
+    '''
+    Given a DirectoryList instance, a configuration dict, a repository dict, an archive name, and a
+    sequence of ArchivePath instances, add the archive paths to the directory list as options.
+    '''
     highlighted_option = directory_list.highlighted_option
     original_options_count = len(directory_list.options)
 
diff --git a/tests/integration/actions/browse/test_file_preview.py b/tests/integration/actions/browse/test_file_preview.py
index 6ef8cf7c..72735ae8 100644
--- a/tests/integration/actions/browse/test_file_preview.py
+++ b/tests/integration/actions/browse/test_file_preview.py
@@ -7,8 +7,10 @@ import textual.widgets.option_list
 def test_file_preview_does_not_raise():
     flexmock(module.borgmatic.actions.browse.loading).should_receive('add_inline_loading_indicator')
     flexmock(module.borgmatic.actions.browse.workers).should_receive('load_file_preview')
-    flexmock(module.borgmatic.actions.browse.repositories_list.Repositories_list).should_receive(
+    flexmock(module.borgmatic.actions.browse.file_preview.File_preview).should_receive(
         'app'
     ).and_return(flexmock())
 
-    module.Repositories_list(config=flexmock())
+    module.File_preview(
+        config=flexmock(), repository=flexmock(), archive_name='archive', file_path='foo/bar.txt'
+    )
diff --git a/tests/unit/actions/browse/test_directories_list.py b/tests/unit/actions/browse/test_directories_list.py
index 3ee21c38..76f8a1f6 100644
--- a/tests/unit/actions/browse/test_directories_list.py
+++ b/tests/unit/actions/browse/test_directories_list.py
@@ -50,7 +50,11 @@ def test_make_directory_list_option_with_contained_file_path_makes_directory_opt
     flexmock(module.textual.widgets.option_list).should_receive('Option').replace_with(flexmock)
 
     option = module.make_directory_list_option(
-        flexmock(path_type='d', file_path='foo/bar/baz.txt', link_target=''), ('bar', 'baz.txt',)
+        flexmock(path_type='d', file_path='foo/bar/baz.txt', link_target=''),
+        (
+            'bar',
+            'baz.txt',
+        ),
     )
 
     assert option.prompt == '📁 bar'