optimize imports

FileStorage/root.py

@@ -1,8 +1,8 @@
-import os
 from os import mkdir
 from os.path import exists
 
 from aiohttp import web
+
 from FileStorage.routes import setup_routes
 
 

FileStorage/views/delete_file.py

@@ -1,4 +1,3 @@
-import os
 from os import remove
 
 from aiohttp import web

FileStorage/views/get_file.py

@@ -1,5 +1,3 @@
-import os
-
 import aiofiles
 from aiohttp import web