diff --git a/tests/test_api_collections.py b/tests/test_api_collections.py
index 8eb498c..d07191d 100644
--- a/tests/test_api_collections.py
+++ b/tests/test_api_collections.py
@@ -371,3 +371,5 @@ def test_post_collections_invalid_page(client):
     response = client.simulate_post("/collections", json=request_body)
 
     assert response.status_code == 400
+
+# vim: set sw=4 ts=4 expandtab:
diff --git a/tests/test_api_communities.py b/tests/test_api_communities.py
index ad7068d..ac3cfd3 100644
--- a/tests/test_api_communities.py
+++ b/tests/test_api_communities.py
@@ -371,3 +371,5 @@ def test_post_communities_invalid_page(client):
     response = client.simulate_post("/communities", json=request_body)
 
     assert response.status_code == 400
+
+# vim: set sw=4 ts=4 expandtab:
diff --git a/tests/test_api_docs.py b/tests/test_api_docs.py
index 62188ab..733a1c4 100644
--- a/tests/test_api_docs.py
+++ b/tests/test_api_docs.py
@@ -43,3 +43,5 @@ def test_get_status(client):
 
     assert isinstance(response.content, bytes)
     assert response.status_code == 200
+
+# vim: set sw=4 ts=4 expandtab:
diff --git a/tests/test_api_items.py b/tests/test_api_items.py
index 0b967c9..5a840bd 100644
--- a/tests/test_api_items.py
+++ b/tests/test_api_items.py
@@ -371,3 +371,5 @@ def test_post_items_invalid_page(client):
     response = client.simulate_post("/items", json=request_body)
 
     assert response.status_code == 400
+
+# vim: set sw=4 ts=4 expandtab: