[meld/ui-next] dirdiff, preferences: flake8 fixes

[Kai Willadsen <kaiw src gnome org>]

commit 5a4c2e7b08d52329fcce5490e3c30cac40b9174f
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sat Apr 13 10:57:41 2019 +1000

    dirdiff, preferences: flake8 fixes

 meld/dirdiff.py     | 1 -
 meld/preferences.py | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/meld/dirdiff.py b/meld/dirdiff.py
index a1e09637..a73dd727 100644
--- a/meld/dirdiff.py
+++ b/meld/dirdiff.py
@@ -1534,7 +1534,6 @@ class DirDiff(Gtk.VBox, tree.TreeviewCommon, MeldDoc):
         for treeview in self.treeview:
             treeview.set_model(self.model)
 
-
         for widget in (
                 self.vbox[:num_panes] + self.file_toolbar[:num_panes] +
                 self.chunkmap[:num_panes] + self.linkmap[:num_panes - 1] +
diff --git a/meld/preferences.py b/meld/preferences.py
index 31dc3ba0..323ab43d 100644
--- a/meld/preferences.py
+++ b/meld/preferences.py
@@ -307,7 +307,7 @@ class PreferencesDialog(Gtk.Dialog):
             ('folder-filter-text', self.checkbutton_folder_filter_text, 'active'),  # noqa: E501
             ('folder-ignore-symlinks', self.checkbutton_ignore_symlinks, 'active'),  # noqa: E501
             ('vc-show-commit-margin', self.checkbutton_show_commit_margin, 'active'),  # noqa: E501
-            ('show-overview-map', self.checkbutton_show_overview_map, 'active'),
+            ('show-overview-map', self.checkbutton_show_overview_map, 'active'),  # noqa: E501
             ('vc-commit-margin', self.spinbutton_commit_margin, 'value'),
             ('vc-break-commit-message', self.checkbutton_break_commit_lines, 'active'),  # noqa: E501
             ('ignore-blank-lines', self.checkbutton_ignore_blank_lines, 'active'),  # noqa: E501