Add flake8 to setup.cfg and add missed change to #2303 fix

deluge/core/torrentmanager.py

@@ -888,9 +888,10 @@ class TorrentManager(component.Component):
 
         torrent.update_state()
         if not torrent.is_finished and total_download:
+            torrent.is_finished = True
             component.get("EventManager").emit(TorrentFinishedEvent(torrent_id))
-
-        torrent.is_finished = True
+        else:
+            torrent.is_finished = True
 
         # Torrent is no longer part of the queue
         try:

setup.cfg

@@ -13,3 +13,7 @@ includes = glib, gio, cairo, pango, pangocairo, atk, gobject, gtk.keysyms,
            twisted.internet, twisted.internet.utils, twisted.protocols,
            zope.interface, mako.cache, email.mime, libtorrent, gtkosx_application
 frameworks = CoreFoundation, Foundation, AppKit
+
+[flake8]
+max-line-length = 120
+builtins = _