diff --git a/aredis_om/checks.py b/aredis_om/checks.py
index a274f14..be2332c 100644
--- a/aredis_om/checks.py
+++ b/aredis_om/checks.py
@@ -7,7 +7,8 @@ from aredis_om.connections import get_redis_connection
 @lru_cache(maxsize=None)
 async def check_for_command(conn, cmd):
     cmd_info = await conn.execute_command("command", "info", cmd)
-    return not None in cmd_info
+    return None not in cmd_info
+
 
 @lru_cache(maxsize=None)
 async def has_redis_json(conn=None):
@@ -16,6 +17,7 @@ async def has_redis_json(conn=None):
     command_exists = await check_for_command(conn, "json.set")
     return command_exists
 
+
 @lru_cache(maxsize=None)
 async def has_redisearch(conn=None):
     if conn is None:
diff --git a/tests/test_hash_model.py b/tests/test_hash_model.py
index 134bc0e..9a9291a 100644
--- a/tests/test_hash_model.py
+++ b/tests/test_hash_model.py
@@ -128,22 +128,20 @@ async def test_exact_match_queries(members, m):
     ).all()
     assert actual == [member2]
 
+
 @pytest.mark.asyncio
 async def test_full_text_search_queries(members, m):
     member1, member2, member3 = members
 
-    actual = await (
-        m.Member.find(m.Member.bio % "great").all()
-    )
+    actual = await (m.Member.find(m.Member.bio % "great").all())
 
     assert actual == [member1]
 
-    actual = await (
-        m.Member.find(~(m.Member.bio % "anxious")).all()
-    )
+    actual = await (m.Member.find(~(m.Member.bio % "anxious")).all())
 
     assert actual == [member1, member3]
 
+
 @pytest.mark.asyncio
 async def test_recursive_query_resolution(members, m):
     member1, member2, member3 = members