created a fresh 3.7 virtual env, changed requrement in setup.py from
nbformat to notebook, ran pip install -e ., then launched:
(lb-3.7) C:\VC\git\leo-editor [devel ≡ +3 ~2 -0 !]> python .\launchLeo.py
--ipython
Leo 6.3-devel, devel branch, build 269d953c87
2020-04-03 10:51:14 +0200
NOTE: When using the `ipython kernel` entry point, Ctrl-C will not work.
To exit, you will have to explicitly quit this process, by either sending
"quit" from a client, or using Ctrl-\ in UNIX-like environments.
To read more about this, see
https://github.com/ipython/ipython/issues/2049
To connect another client to this kernel, use:
--existing kernel-3352.json
[IPKernelApp] WARNING | Eventloop or matplotlib integration failed. Is
matplotlib installed?
new_qt_console <subprocess.Popen object at 0x00000228A399AE08>
Leo hung with a mostly blank window
On Friday, April 3, 2020 at 10:33:31 AM UTC-4, Thomas Passin wrote:
>
> It's not going to work with Python 3.8 either. There's been some change
> to the asnyc API that Tornado hasn't adjusted to. I believe there is a
> workaround, but I don't have the reference handy.
>
> [Later - found reference:
> https://github.com/tornadoweb/tornado/issues/2608]
>
> py38 -m leo.core.runLeo --ipython
>
> ...
> File
> "C:\Users\tom\AppData\Local\Programs\Python\Python38\lib\site-packages\tornado\platform\asyncio.py",
>
> line 99, in add_handler
> self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ)
>
> File
> "C:\Users\tom\AppData\Local\Programs\Python\Python38\lib\asyncio\events.py",
> line 501, in add_reader
> raise NotImplementedError
>
> On Friday, April 3, 2020 at 9:18:38 AM UTC-4, Edward K. Ream wrote:
>>
>> On Fri, Apr 3, 2020 at 4:23 AM 'tfer' via leo-editor <
>> [email protected]> wrote:
>>
>> Trying to start the iPython Bridge:
>>>
>>
>> I don't see the ipython console either. Python 3.7.6. matplotlib
>> installed.
>>
>> I've just created #1561
>> <https://github.com/leo-editor/leo-editor/issues/1561> for this.
>>
>> Edward
>>
>
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