diff -r c74815729afd -r 691083b5682a dialogs/BrowseLocationsDialog.py
--- a/dialogs/BrowseLocationsDialog.py	Fri Aug 18 12:36:31 2017 +0300
+++ b/dialogs/BrowseLocationsDialog.py	Fri Aug 18 20:14:38 2017 +0300
@@ -70,7 +70,7 @@
 
     def __init__(self, parent, var_type, controller):
         wx.Dialog.__init__(self, parent, title=_('Browse Locations'),
-              style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER)
+                           style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER)
 
         main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)
         main_sizer.AddGrowableCol(0)
@@ -78,40 +78,44 @@
 
         locations_label = wx.StaticText(self, label=_('Locations available:'))
         main_sizer.AddWindow(locations_label, border=20,
-              flag=wx.TOP | wx.LEFT | wx.RIGHT | wx.GROW)
+                             flag=wx.TOP | wx.LEFT | wx.RIGHT | wx.GROW)
 
         self.LocationsTree = wx.TreeCtrl(self,
-              style=wx.TR_HAS_BUTTONS | wx.TR_SINGLE | wx.SUNKEN_BORDER | wx.TR_HIDE_ROOT | wx.TR_LINES_AT_ROOT)
+                                         style=(wx.TR_HAS_BUTTONS |
+                                                wx.TR_SINGLE |
+                                                wx.SUNKEN_BORDER |
+                                                wx.TR_HIDE_ROOT |
+                                                wx.TR_LINES_AT_ROOT))
         self.LocationsTree.SetInitialSize(wx.Size(-1, 300))
         self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnLocationsTreeItemActivated,
                   self.LocationsTree)
         main_sizer.AddWindow(self.LocationsTree, border=20,
-              flag=wx.LEFT | wx.RIGHT | wx.GROW)
+                             flag=wx.LEFT | wx.RIGHT | wx.GROW)
 
         button_gridsizer = wx.FlexGridSizer(cols=5, hgap=5, rows=1, vgap=0)
         button_gridsizer.AddGrowableCol(1)
         button_gridsizer.AddGrowableCol(3)
         button_gridsizer.AddGrowableRow(0)
         main_sizer.AddSizer(button_gridsizer, border=20,
-              flag=wx.BOTTOM | wx.LEFT | wx.RIGHT | wx.GROW)
+                            flag=wx.BOTTOM | wx.LEFT | wx.RIGHT | wx.GROW)
 
         direction_label = wx.StaticText(self, label=_('Direction:'))
         button_gridsizer.AddWindow(direction_label,
-              flag=wx.ALIGN_CENTER_VERTICAL)
+                                   flag=wx.ALIGN_CENTER_VERTICAL)
 
         self.DirFilterChoice = wx.ComboBox(self, style=wx.CB_READONLY)
         self.Bind(wx.EVT_COMBOBOX, self.OnFilterChoice, self.DirFilterChoice)
         button_gridsizer.AddWindow(self.DirFilterChoice,
-              flag=wx.GROW | wx.ALIGN_CENTER_VERTICAL)
+                                   flag=wx.GROW | wx.ALIGN_CENTER_VERTICAL)
 
         filter_label = wx.StaticText(self, label=_('Type:'))
         button_gridsizer.AddWindow(filter_label,
-              flag=wx.ALIGN_CENTER_VERTICAL)
+                                   flag=wx.ALIGN_CENTER_VERTICAL)
 
         self.TypeFilterChoice = wx.ComboBox(self, style=wx.CB_READONLY)
         self.Bind(wx.EVT_COMBOBOX, self.OnFilterChoice, self.TypeFilterChoice)
         button_gridsizer.AddWindow(self.TypeFilterChoice,
-              flag=wx.GROW | wx.ALIGN_CENTER_VERTICAL)
+                                   flag=wx.GROW | wx.ALIGN_CENTER_VERTICAL)
 
         button_sizer = self.CreateButtonSizer(wx.OK | wx.CANCEL | wx.CENTRE)
         self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())