diff --git a/conda-store-server/tests/test_storage.py b/conda-store-server/tests/test_storage.py
index 34ef8ea7a..1dd3e3a5e 100644
--- a/conda-store-server/tests/test_storage.py
+++ b/conda-store-server/tests/test_storage.py
@@ -2,9 +2,9 @@
 
 import pytest
 
-from conda_store_server import storage
+from conda_store_server import api, storage
 from conda_store_server._internal import schema
-from conda_store_server import api
+
 
 @pytest.fixture()
 def local_file_store(tmp_path):
@@ -16,7 +16,7 @@ def local_file_store(tmp_path):
     tf_two = str(tmp_path / "testfile2")
     with open(tf_two, "w") as file:
         file.write("testfile2")
-    
+
     logs_path = tmp_path / "logs"
     os.mkdir(logs_path)
 
@@ -29,65 +29,80 @@ def test_fset_new_package(self, db):
         store.fset(db, 123, "new_build_key", "", schema.BuildArtifactType.YAML)
         assert len(api.list_build_artifacts(db).all()) == 1
 
-
     def test_fset_existing_package(self, seed_conda_store):
         store = storage.Storage()
         db = seed_conda_store
-        
+
         inital_artifacts = api.list_build_artifacts(db).all()
         artifact = inital_artifacts[0]
-        
+
         store.fset(db, artifact.build_id, artifact.key, "", artifact.artifact_type)
         assert len(api.list_build_artifacts(db).all()) == len(inital_artifacts)
 
     def test_delete_existing_artifact(self, seed_conda_store):
         store = storage.Storage()
         db = seed_conda_store
-        
+
         inital_artifacts = api.list_build_artifacts(db).all()
         artifact = inital_artifacts[0]
-        
+
         store.delete(db, artifact.build_id, artifact.key)
-        assert len(api.list_build_artifacts(db).all()) == len(inital_artifacts)-1
+        assert len(api.list_build_artifacts(db).all()) == len(inital_artifacts) - 1
 
 
 class TestLocalStorage:
     def test_fset_new_package(self, db, local_file_store):
         store = storage.LocalStorage()
         store.storage_path = local_file_store
-        
+
         filename = str(local_file_store / "testfile1")
-        store.fset(db, 123, "new_build_key", filename, "contenttype", schema.BuildArtifactType.YAML)
+        store.fset(
+            db,
+            123,
+            "new_build_key",
+            filename,
+            "contenttype",
+            schema.BuildArtifactType.YAML,
+        )
         assert len(api.list_build_artifacts(db).all()) == 1
-        
+
         target_file = str(local_file_store / "new_build_key")
         assert os.path.exists(target_file)
-        target_content = open(target_file, 'r').read()
+        target_content = open(target_file, "r").read()
         assert target_content == "testfile1"
 
     def test_fset_dont_overwrite_file(self, db, local_file_store):
         store = storage.LocalStorage()
         store.storage_path = local_file_store
-        
+
         filename = str(local_file_store / "testfile1")
-        store.fset(db, 123, "testfile2", filename, "contenttype", schema.BuildArtifactType.YAML)
+        store.fset(
+            db, 123, "testfile2", filename, "contenttype", schema.BuildArtifactType.YAML
+        )
         assert len(api.list_build_artifacts(db).all()) == 1
-        
+
         target_file = str(local_file_store / "testfile2")
         assert os.path.exists(target_file)
-        target_content = open(target_file, 'r').read()
+        target_content = open(target_file, "r").read()
         assert target_content == "testfile1"
 
     def test_set_new_package(self, db, local_file_store):
         store = storage.LocalStorage()
         store.storage_path = local_file_store
-        
-        store.set(db, 123, "new_build_key", b"somestuff", "contenttype", schema.BuildArtifactType.YAML)
+
+        store.set(
+            db,
+            123,
+            "new_build_key",
+            b"somestuff",
+            "contenttype",
+            schema.BuildArtifactType.YAML,
+        )
         assert len(api.list_build_artifacts(db).all()) == 1
-        
+
         target_file = str(local_file_store / "new_build_key")
         assert os.path.exists(target_file)
-        target_content = open(target_file, 'r').read()
+        target_content = open(target_file, "r").read()
         assert target_content == "somestuff"
 
     def test_get(self, local_file_store):
@@ -110,6 +125,6 @@ def test_delete(self, seed_conda_store, local_file_store):
             file.write("testfile2")
 
         store.delete(db, artifact.build_id, artifact.key)
-        assert len(api.list_build_artifacts(db).all()) == len(inital_artifacts)-1
-        
+        assert len(api.list_build_artifacts(db).all()) == len(inital_artifacts) - 1
+
         assert not os.path.exists(target_file)