KeyError: 'first_name'

[Bergiu]

When I run ncTelegram and click on a special chat ncTelegram crashes with this error:

  File "/usr/local/bin/nctelegram", line 93, in <module>
    ncTelegram.Telegram_ui(config_full)
  File "/usr/local/lib/python3.5/dist-packages/ncTelegram/__init__.py", line 91, in __init__
    self.main_loop.run()
  File "/usr/lib/python3/dist-packages/urwid/main_loop.py", line 278, in run
    self._run()
  File "/usr/lib/python3/dist-packages/urwid/main_loop.py", line 376, in _run
    self.event_loop.run()
  File "/usr/lib/python3/dist-packages/urwid/main_loop.py", line 682, in run
    self._loop()
  File "/usr/lib/python3/dist-packages/urwid/main_loop.py", line 719, in _loop
    self._watch_files[fd]()
  File "/usr/lib/python3/dist-packages/urwid/raw_display.py", line 393, in <lambda>
    event_loop, callback, self.get_available_raw_input())
  File "/usr/lib/python3/dist-packages/urwid/raw_display.py", line 493, in parse_input
    callback(processed, processed_codes)
  File "/usr/lib/python3/dist-packages/urwid/main_loop.py", line 403, in _update
    self.process_input(keys)
  File "/usr/lib/python3/dist-packages/urwid/main_loop.py", line 503, in process_input
    k = self._topmost_widget.keypress(self.screen_size, k)
  File "/usr/lib/python3/dist-packages/urwid/container.py", line 2269, in keypress
    key = w.keypress((mc,) + size[1:], key)
  File "/usr/local/lib/python3.5/dist-packages/ncTelegram/ui_chanwidget.py", line 195, in keypress
    key = super(ChanWidget, self).keypress(size, key)
  File "/usr/lib/python3/dist-packages/urwid/listbox.py", line 985, in keypress
    key = focus_widget.keypress((maxcol,),key)
  File "/usr/lib/python3/dist-packages/urwid/wimp.py", line 535, in keypress
    self._emit('click')
  File "/usr/lib/python3/dist-packages/urwid/widget.py", line 463, in _emit
    signals.emit_signal(self, name, self, *args)
  File "/usr/lib/python3/dist-packages/urwid/signals.py", line 264, in emit
    result |= self._call_callback(callback, user_arg, user_args, args)
  File "/usr/lib/python3/dist-packages/urwid/signals.py", line 294, in _call_callback
    return bool(callback(*args_to_pass))
  File "/usr/local/lib/python3.5/dist-packages/ncTelegram/ui_chanwidget.py", line 177, in chan_change
    self.Telegram_ui.msg_widget.get_history()
  File "/usr/local/lib/python3.5/dist-packages/ncTelegram/ui_msgwidget.py", line 60, in get_history
    self.print_msg(msg)
  File "/usr/local/lib/python3.5/dist-packages/ncTelegram/ui_msgwidget.py", line 147, in print_msg
    sender_reply = msg_reply['sender']['first_name']
KeyError: 'first_name'

Also ncTelegram doesn't start at all, if the chat is the newest in the history.
This error appears only in one chat.

[Nanoseb]

Thanks for reporting and fixing this!