On 2016-02-07 00:38:14, paul.hermeneu...@gmail.com wrote:
I know this may be more suited to the tutor list. I tried to
subscribe, but no response yet.
Why does this interactive instantiation fail when it seems to work
when run in a script?
(py35-64) C:\src\pygui>python
Python 3.5.1 (v3.5.1:37a07cee5969, Dec 6 2015, 01:54:25) [MSC v.1900
64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
import tkinter as tk
name = tk.StringVar()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Program Files\Python35\lib\tkinter\__init__.py", line 329,
in __init__
Variable.__init__(self, master, value, name)
File "C:\Program Files\Python35\lib\tkinter\__init__.py", line 233,
in __init__
self._root = master._root()
AttributeError: 'NoneType' object has no attribute '_root'
It's just down to the way that tkinter works.
It's normally called within a GUI program which has windows and an event
loop, and it's trying to get the root (top-level) window, but there
isn't one.
--
https://mail.python.org/mailman/listinfo/python-list
