# Buggy code
def __init__(self, data, encoding_args):
    self.encoding_args = encoding_args
    super().__init__(data.encode(*self.encoding_args))


# Traceback (AttributeError)
Traceback (most recent call last):
File "/home/kajoj/Mitmproxy/mitmproxy/mitmproxy/tools/console/master.py", line 216, in run
self.loop.run()
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/main_loop.py", line 278, in run
self._run()
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/main_loop.py", line 376, in _run
self.event_loop.run()
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/main_loop.py", line 682, in run
self._loop()
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/main_loop.py", line 710, in _loop
self._entering_idle()
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/main_loop.py", line 671, in _entering_idle
callback()
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/main_loop.py", line 564, in entering_idle
self.draw_screen()
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/main_loop.py", line 578, in draw_screen
canvas = self._topmost_widget.render(self.screen_size, focus=True)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/widget.py", line 141, in cached_render
canv = fn(self, size, focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/container.py", line 1083, in render
focus and self.focus_part == 'body')
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/widget.py", line 141, in cached_render
canv = fn(self, size, focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/decoration.py", line 225, in render
canv = self._original_widget.render(size, focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/widget.py", line 141, in cached_render
canv = fn(self, size, focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/container.py", line 1083, in render
focus and self.focus_part == 'body')
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/widget.py", line 141, in cached_render
canv = fn(self, size, focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/widget.py", line 1750, in render
canv = get_delegate(self).render(size, focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/widget.py", line 141, in cached_render
canv = fn(self, size, focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/widget.py", line 1750, in render
canv = get_delegate(self).render(size, focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/widget.py", line 141, in cached_render
canv = fn(self, size, focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/container.py", line 1083, in render
focus and self.focus_part == 'body')
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/widget.py", line 141, in cached_render
canv = fn(self, size, focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/listbox.py", line 455, in render
(maxcol, maxrow), focus=focus)
File "/home/kajoj/Mitmproxy/mitmproxy/venv/lib/python3.5/site-packages/urwid/listbox.py", line 340, in calculate_visible
focus_widget, focus_pos = self.body.get_focus()
File "/home/kajoj/Mitmproxy/mitmproxy/mitmproxy/tools/console/grideditor/base.py", line 227, in get_focus
self.lst[self.focus]
File "/home/kajoj/Mitmproxy/mitmproxy/mitmproxy/tools/console/grideditor/base.py", line 83, in __init__
w = self.editor.columns[i].Display(v)
File "/home/kajoj/Mitmproxy/mitmproxy/mitmproxy/tools/console/grideditor/col_text.py", line 18, in Display
return TDisplay(data, self.encoding_args)
File "/home/kajoj/Mitmproxy/mitmproxy/mitmproxy/tools/console/grideditor/col_text.py", line 31, in __init__
super().__init__(data.encode(*self.encoding_args))
AttributeError: 'bytes' object has no attribute 'encode'

# Fixed code
def __init__(self, data, encoding_args):
    self.encoding_args = encoding_args
    super().__init__(data.__str__().encode(*self.encoding_args))