lint fixes

qutebrowser/browser/webkit/downloads.py

@@ -995,7 +995,6 @@ class DownloadManager(QAbstractListModel):
             return
         download.open_file(cmdline)
 
-
     def raise_no_download(self, count):
         """Raise an exception that the download doesn't exist.
 

qutebrowser/utils/usertypes.py

@@ -300,7 +300,7 @@ class OpenFileDownloadTarget(DownloadTarget):
     """Save the download in a temp dir and directly open it.
 
     Attributes:
-        cmdline: The command to use as string. A {} is expanded to th
+        cmdline: The command to use as string. A {} is expanded to the
                  filename. None means use the system's default.
     """