Fix lint

qutebrowser/utils/misc.py

@@ -90,7 +90,6 @@ def shell_escape(s):
 
     [1] https://en.wikibooks.org/wiki/Windows_Batch_Scripting#How_a_command_line_is_interpreted
     """
-
     try:
         return shlex.quote(s)
     except AttributeError:

qutebrowser/widgets/_tabbedbrowser.py

@@ -327,7 +327,7 @@ class TabbedBrowser(TabWidget):
 
     @cmdutils.register(instance='mainwindow.tabs')
     def focus_tab(self, idx=None, count=None):
-        """Focus the tab given as argument or in count.
+        """Select the tab given as argument or in count.
 
         Args:
             idx: The tab index to focus, starting with 1.