[Bug 1574892] Re: IDLE 3.5.1+ runtime error on Options -> Configure IDLE

[Matthias Klose]

** Package changed: python3-defaults (Ubuntu) => python3.5 (Ubuntu)

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Title:
  IDLE 3.5.1+ runtime error on Options -> Configure IDLE

Status in Python:
  New
Status in python3.5 package in Ubuntu:
  Confirmed
Status in python3.5 source package in Xenial:
  New

Bug description:
  Open IDLE for Python 3 on Ubuntu 16.04 (idle3 3.5.1-3) and click Options -> Configure IDLE.
  The menus of IDLE stop responding and the terminal shows the following message:

  Exception in Tkinter callback
  Traceback (most recent call last):
    File "/usr/lib/python3.5/tkinter/__init__.py", line 1553, in __call__
      return self.func(*args)
    File "/usr/lib/python3.5/idlelib/EditorWindow.py", line 516, in config_dialog
      configDialog.ConfigDialog(self.top,'Settings')
    File "/usr/lib/python3.5/idlelib/configDialog.py", line 74, in __init__
      self.LoadConfigs()
    File "/usr/lib/python3.5/idlelib/configDialog.py", line 1086, in LoadConfigs
      self.LoadFontCfg()
    File "/usr/lib/python3.5/idlelib/configDialog.py", line 988, in LoadFontCfg
      self.SetFontSample()
    File "/usr/lib/python3.5/idlelib/configDialog.py", line 866, in SetFontSample
      self.labelFontSample.config(font=newFont)
    File "/usr/lib/python3.5/tkinter/__init__.py", line 1333, in configure
      return self._configure('configure', cnf, kw)
    File "/usr/lib/python3.5/tkinter/__init__.py", line 1324, in _configure
      self.tk.call(_flatten((self._w, cmd)) + self._options(cnf))
  _tkinter.TclError: expected integer but got ""

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