diff --git a/chatter/storage_adapters.py b/chatter/storage_adapters.py
index b2dc02a..706f96f 100644
--- a/chatter/storage_adapters.py
+++ b/chatter/storage_adapters.py
@@ -18,9 +18,7 @@ class MyDumbSQLStorageAdapter(SQLStorageAdapter):
         if not self.database_uri:
             self.database_uri = "sqlite:///db.sqlite3"
 
-        self.engine = create_engine(
-            self.database_uri, connect_args={"check_same_thread": False}
-        )
+        self.engine = create_engine(self.database_uri, connect_args={"check_same_thread": False})
 
         if self.database_uri.startswith("sqlite://"):
             from sqlalchemy.engine import Engine
@@ -31,7 +29,7 @@ class MyDumbSQLStorageAdapter(SQLStorageAdapter):
                 dbapi_connection.execute("PRAGMA journal_mode=WAL")
                 dbapi_connection.execute("PRAGMA synchronous=NORMAL")
 
-        if not inspect(self.engine).has_table('Statement'):
+        if not inspect(self.engine).has_table("Statement"):
             self.create_database()
 
         self.Session = sessionmaker(bind=self.engine, expire_on_commit=True)