diff --git a/fluorescence_assay/plate_reader.py b/fluorescence_assay/plate_reader.py
index c0c7cd4..86f1d21 100644
--- a/fluorescence_assay/plate_reader.py
+++ b/fluorescence_assay/plate_reader.py
@@ -4,6 +4,7 @@
 from abc import ABC, abstractmethod
 from dataclasses import dataclass, field
 from typing import Optional
+
 from bs4 import BeautifulSoup
 
 logger = logging.getLogger(__name__)