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k r� d d l m Z e d d d �n d S( s CallTips.py - An IDLE Extension to Jog Your Memory
Call Tips are floating windows which display function, class, and method
parameter and docstring information when you type an opening parenthesis, and
which disappear when you type a closing parenthesis.
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c C s | j t � d S( si Happens when the user really wants to open a CallTip, even if a
function call is needed.
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r2 d } n X| rR | j d d | f i � S| j | � } t | � Sd S( sR Return the argument list and docstring of a function or class
If there is a Python subprocess, get the calltip there. Otherwise,
either fetch_tip() is running in the subprocess itself or it was called
in an IDLE EditorWindow before any script had been run.
The subprocess environment is that of the most recently run script. If
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