diff --git a/scrapthechan/scrapers/threadedscraper.py b/scrapthechan/scrapers/threadedscraper.py
index f745649..dbccd83 100644
--- a/scrapthechan/scrapers/threadedscraper.py
+++ b/scrapthechan/scrapers/threadedscraper.py
@@ -7,25 +7,26 @@ from multiprocessing.pool import ThreadPool
 from scrapthechan.scraper import Scraper
 from scrapthechan.fileinfo import FileInfo
 
+
 __all__ = ["ThreadedScraper"]
 
+
 class ThreadedScraper(Scraper):
-    def __init__(self, save_directory: str, files: List[FileInfo],
-        download_progress_callback: Callable[[int], None] = None) -> None:
-        super(ThreadedScraper, self).__init__(save_directory, files,
-            download_progress_callback)
-        self._files_downloaded = 0
-        self._files_downloaded_mutex = Lock()
+	def __init__(self, save_directory: str, files: List[FileInfo],
+		download_progress_callback: Callable[[int], None] = None) -> None:
+		super().__init__(save_directory, files, download_progress_callback)
+		self._files_downloaded = 0
+		self._files_downloaded_mutex = Lock()
 
-    def run(self):
-        pool = ThreadPool(cpu_count() * 2)
-        pool.map(self._thread_run, self._files)
-        pool.close()
-        pool.join()
+	def run(self):
+		pool = ThreadPool(cpu_count() * 2)
+		pool.map(self._thread_run, self._files)
+		pool.close()
+		pool.join()
 
-    def _thread_run(self, f: FileInfo):
-        with self._files_downloaded_mutex:
-            self._files_downloaded += 1
-            if not self._progress_callback is None:
-                self._progress_callback(self._files_downloaded)
-        self._download_file(f)
+	def _thread_run(self, f: FileInfo):
+		if not self._progress_callback is None:
+			with self._files_downloaded_mutex:
+				self._files_downloaded += 1
+				self._progress_callback(self._files_downloaded)
+		self._download_file(f)