diff --git a/ads.py b/ads.py
index 2c4a2ec..0c9dd4b 100644
--- a/ads.py
+++ b/ads.py
@@ -143,7 +143,7 @@ class AsyncDataSetConnector:
             "deleted_at": None,
             **args,
         }
-        cols = "`" +  "`, `".join(record) + "`"
+        cols = "`" + "`, `".join(record) + "`"
         qs = ", ".join(["?"] * len(record))
         sql = f"INSERT INTO {table} ({cols}) VALUES ({qs})"
         await self._safe_execute(table, sql, list(record.values()), record)
@@ -249,9 +249,6 @@ class AsyncDataSetConnector:
             return default
 
 
-
-
-
 class TestAsyncDataSetConnector(unittest.IsolatedAsyncioTestCase):
 
     async def asyncSetUp(self):
@@ -321,15 +318,15 @@ class TestAsyncDataSetConnector(unittest.IsolatedAsyncioTestCase):
     async def test_inject(self):
         await self.connector.insert("people", {"name": "John Doe", "index": 30})
         await self.connector.insert("people", {"name": "Alice", "index": 23})
-        await self.connector.delete("people", {"name": "John Doe","index": 30})
+        await self.connector.delete("people", {"name": "John Doe", "index": 30})
         self.assertIsNone(await self.connector.get("people", {"name": "John Doe"}))
         count = await self.connector.count("people")
         self.assertEqual(count, 1)
 
-
     async def test_insert_binary(self):
-        await self.connector.insert("binaries",{"data":b"1234"})
-        print(await self.connector.get("binaries",{"data":b"1234"}))
+        await self.connector.insert("binaries", {"data": b"1234"})
+        print(await self.connector.get("binaries", {"data": b"1234"}))
+
 
 if __name__ == "__main__":
     unittest.main()