Misc fixes for MacOS

config.py

@@ -143,10 +143,12 @@ class Config(object):
             val = self.settings.get(key)
             if val is None:
                 return None
+            elif isinstance(val, str):
+                return str(val)
             elif hasattr(val, '__iter__'):
                 return list(val)	# make writeable
             else:
-                return str(val)
+                return None
 
         def getint(self, key):
             try:

hotkey.py

@@ -57,7 +57,7 @@ if platform == 'darwin':
 
             # Monkey-patch tk (tkMacOSXKeyEvent.c)
             if not self.tkProcessKeyEvent_old:
-                sel = 'tkProcessKeyEvent:'
+                sel = b'tkProcessKeyEvent:'
                 cls = NSApplication.sharedApplication().class__()
                 self.tkProcessKeyEvent_old = NSApplication.sharedApplication().methodForSelector_(sel)
                 newmethod = objc.selector(self.tkProcessKeyEvent, selector = self.tkProcessKeyEvent_old.selector, signature = self.tkProcessKeyEvent_old.signature)

myNotebook.py

@@ -29,7 +29,7 @@ class Notebook(ttk.Notebook):
         style = ttk.Style()
 
         if platform=='darwin':
-            if map(int, mac_ver()[0].split('.')) >= [10,10]:
+            if list(map(int, mac_ver()[0].split('.'))) >= [10,10]:
                 # Hack for tab appearance with 8.5 on Yosemite & El Capitan. For proper fix see
                 # https://github.com/tcltk/tk/commit/55c4dfca9353bbd69bbcec5d63bf1c8dfb461e25
                 style.configure('TNotebook.Tab', padding=(12,10,12,2))

theme.py

@@ -331,7 +331,7 @@ class _Theme(object):
             from AppKit import NSApplication, NSAppearance, NSMiniaturizableWindowMask, NSResizableWindowMask
             root.update_idletasks()	# need main window to be created
             appearance = NSAppearance.appearanceNamed_(theme and
-                                                       'NSAppearanceNameVibrantDark' or
+                                                       'NSAppearanceNameDarkAqua' or
                                                        'NSAppearanceNameAqua')
             for window in NSApplication.sharedApplication().windows():
                 window.setStyleMask_(window.styleMask() & ~(NSMiniaturizableWindowMask | NSResizableWindowMask))	# disable zoom