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To:	cygwin AT cygwin DOT com
Subject:	Dependency problem of ipython 7.16.1-1
Message-ID:	<0a5e4961-3772-c93f-c05f-5bd9a5a2edec@gmail.com>
Date:	Tue, 28 Jul 2020 01:18:55 +0900
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From:	ggl329 via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	ggl329 <ggl329 AT gmail DOT com>
Sender:	"Cygwin" <cygwin-bounces AT cygwin DOT com>

Hi all,

Recently, I upgraded python36-ipython to 7.16.1-1 and got an error shown below.
The upgraded ipython seems to depend on backcall module (https://github.com/takluyver/backcall).
But cygwin doesn't have python-backcall package.
Is there anyone who will provide python-backcall package?

$ ipython3.6
Traceback (most recent call last):
   File "/usr/bin/ipython3.6", line 5, in <module>
     from IPython import start_ipython
   File "/usr/lib/python3.6/site-packages/IPython/__init__.py", line 56, in <module>
     from .terminal.embed import embed
   File "/usr/lib/python3.6/site-packages/IPython/terminal/embed.py", line 15, in <module>
     from IPython.core.interactiveshell import DummyMod, InteractiveShell
   File "/usr/lib/python3.6/site-packages/IPython/core/interactiveshell.py", line 43, in <module>
     from IPython.core.events import EventManager, available_events
   File "/usr/lib/python3.6/site-packages/IPython/core/events.py", line 16, in <module>
     from backcall import callback_prototype
ModuleNotFoundError: No module named 'backcall'


-- 
   ggl329
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