Fix lint

qutebrowser/browser/commands.py

@@ -1333,8 +1333,6 @@ class CommandDispatcher:
         elif mhtml_:
             self._download_mhtml(dest)
         else:
-            tab = self._current_widget()
-
             if dest is None:
                 target = None
             else:

qutebrowser/browser/qtnetworkdownloads.py

@@ -25,7 +25,7 @@ import shutil
 import functools
 import collections
 
-from PyQt5.QtCore import pyqtSlot, pyqtSignal, QTimer
+from PyQt5.QtCore import pyqtSlot, QTimer
 from PyQt5.QtNetwork import QNetworkRequest, QNetworkReply
 
 from qutebrowser.utils import message, usertypes, log, urlutils