Comments (10)
ianhi
commented on June 16, 2024
@pythonic2020 can you please post the output of the command in the bug report: python -c "import sys; print('\n',sys.version); import ipympl; print('ipympl version:', ipympl.__version__)" && jupyter --version && jupyter nbextension list && jupyter labextension list
When I make a new environment with mamba create -n test -c conda-forge notebook ipympl it works in notebook so I suspect something is wrong in your environment.
from ipympl.
pythonic2020
commented on June 16, 2024
Note that I just updated my conda env to notebook 6.5.3 today.
3.9.16 | packaged by conda-forge | (main, Feb 1 2023, 21:28:38) [MSC v.1929 64 bit (AMD64)]
ipympl version: 0.9.3
Selected Jupyter core packages...
IPython : 8.11.0
ipykernel : 6.21.3
ipywidgets : 8.0.4
jupyter_client : 8.0.3
jupyter_core : 5.2.0
jupyter_server : 2.4.0
jupyterlab : 3.6.1
nbclient : 0.7.2
nbconvert : 7.2.9
nbformat : 5.7.3
notebook : 6.5.3
qtconsole : not installed
traitlets : 5.9.0
Known nbextensions:
config dir: C:\Users\me\Miniconda3\envs\forge39\etc\jupyter\nbconfig
notebook section
jupyter-matplotlib/extension enabled
jupyter_bokeh/extension enabled
jupyterlab-plotly/extension enabled
jupyter-js-widgets/extension enabled
- Validating: ok
- Validating: ok
- Validating: ok
- Validating: ok
JupyterLab v3.6.1
C:\Users\me\Miniconda3\envs\forge39\share\jupyter\labextensions
jupyter-matplotlib v0.11.3 enabled ok
jupyterlab-plotly v5.13.1 enabled ok
jupyterlab_pygments v0.2.2 enabled ok (python, jupyterlab_pygments)
@bokeh/jupyter_bokeh v3.0.5 enabled ok (python, jupyter_bokeh)
@jupyter-widgets/jupyterlab-manager v5.0.5 enabled ok (python, jupyterlab_widgets)
There is no error, but the kernel becomes intermittent when I run ipympl-related 3d interactive plotting in classic notebook 6.5.3 (see example code below from ipympl docs). Rotating the plot with the mouse works for a while, then the kernel breaks, after which interactive functions will not work.
%matplotlib widget
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import axes3d
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
# Grab some test data.
X, Y, Z = axes3d.get_test_data(0.05)
# Plot a basic wireframe.
ax.plot_wireframe(X, Y, Z, rstride=10, cstride=10)
plt.show()
from ipympl.
ianhi
commented on June 16, 2024
then the kernel breaks, after which interactive functions will not work.
Are there any error messages printed to the terminal you started the notebook from? Also can you check if there are error messages in the browser console: https://balsamiq.com/support/faqs/browserconsole/
from ipympl.
pythonic2020
commented on June 16, 2024
AssertionError
[I 04:11:31.982 NotebookApp] Starting buffering for 17a5fa29-bfdb-4a64-9b5c-03f2051ce9b8:f23f5821d4cd48d8a8ee97b5bed74ea2
Task exception was never retrieved
future: <Task finished name='Task-268' coro=<WebSocketProtocol13.write_message.<locals>.wrapper() done, defined at C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\websocket.py:1090> exception=WebSocketClosedError()>
Traceback (most recent call last):
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\websocket.py", line 1092, in wrapper
await fut
tornado.iostream.StreamClosedError: Stream is closed
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Users\me\Miniconda3\envs\forge39\lib\asyncio\tasks.py", line 256, in __step
result = coro.send(None)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\websocket.py", line 1094, in wrapper
raise WebSocketClosedError()
tornado.websocket.WebSocketClosedError
Then the connection restarts:
[I 04:11:32.998 NotebookApp] Restoring connection for 17a5fa29-bfdb-4a64-9b5c-03f2051ce9b8:f23f5821d4cd48d8a8ee97b5bed74ea2
I have tornado 6.2 installed:
#
# Name Version Build Channel
tornado 6.2 py39ha55989b_1 conda-forge
pyzmq 25.0.0 py39hea35a22_0 conda-forge
Second run:
[E 04:17:52.984 NotebookApp] Uncaught exception, closing connection.
Traceback (most recent call last):
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 702, in _handle_events
self._handle_write()
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 976, in _handle_write
self._write_buffer.advance(num_bytes)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 182, in advance
assert 0 < size <= self._size
AssertionError
Exception in callback None()
handle: <Handle cancelled>
Traceback (most recent call last):
File "C:\Users\me\Miniconda3\envs\forge39\lib\asyncio\events.py", line 80, in _run
self._context.run(self._callback, *self._args)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\platform\asyncio.py", line 206, in _handle_events
handler_func(fileobj, events)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 702, in _handle_events
self._handle_write()
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 976, in _handle_write
self._write_buffer.advance(num_bytes)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 182, in advance
assert 0 < size <= self._size
AssertionError
[W 04:17:52.988 NotebookApp] zmq message arrived on closed channel
[W 04:17:52.991 NotebookApp] zmq message arrived on closed channel
[I 04:17:52.991 NotebookApp] Starting buffering for 17a5fa29-bfdb-4a64-9b5c-03f2051ce9b8:f23f5821d4cd48d8a8ee97b5bed74ea2
[W 04:17:52.993 NotebookApp] zmq message arrived on closed channel
There are no pertinent messages in Firefox browser console.
Third run, kernel really quits this time, will not restart:
[E 04:24:37.686 NotebookApp] Uncaught exception in ZMQStream callback
Traceback (most recent call last):
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\zmq\eventloop\zmqstream.py", line 584, in _run_callback
f = callback(*args, **kwargs)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\zmq\eventloop\zmqstream.py", line 308, in stream_callback
return callback(self, msg)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\notebook\services\kernels\handlers.py", line 572, in _on_zmq_reply
super()._on_zmq_reply(stream, msg)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\notebook\base\zmqhandlers.py", line 256, in _on_zmq_reply
self.write_message(msg, binary=isinstance(msg, bytes))
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\websocket.py", line 339, in write_message
return self.ws_connection.write_message(message, binary=binary)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\websocket.py", line 1086, in write_message
fut = self._write_frame(True, opcode, message, flags=flags)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\websocket.py", line 1061, in _write_frame
return self.stream.write(frame)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 546, in write
self._handle_write()
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 976, in _handle_write
self._write_buffer.advance(num_bytes)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 182, in advance
assert 0 < size <= self._size
AssertionError
[E 04:24:37.688 NotebookApp] Uncaught exception in zmqstream callback
Traceback (most recent call last):
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\zmq\eventloop\zmqstream.py", line 621, in _handle_events
self._handle_recv()
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\zmq\eventloop\zmqstream.py", line 650, in _handle_recv
self._run_callback(callback, msg)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\zmq\eventloop\zmqstream.py", line 584, in _run_callback
f = callback(*args, **kwargs)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\zmq\eventloop\zmqstream.py", line 308, in stream_callback
return callback(self, msg)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\notebook\services\kernels\handlers.py", line 572, in _on_zmq_reply
super()._on_zmq_reply(stream, msg)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\notebook\base\zmqhandlers.py", line 256, in _on_zmq_reply
self.write_message(msg, binary=isinstance(msg, bytes))
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\websocket.py", line 339, in write_message
return self.ws_connection.write_message(message, binary=binary)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\websocket.py", line 1086, in write_message
fut = self._write_frame(True, opcode, message, flags=flags)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\websocket.py", line 1061, in _write_frame
return self.stream.write(frame)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 546, in write
self._handle_write()
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 976, in _handle_write
self._write_buffer.advance(num_bytes)
File "C:\Users\me\Miniconda3\envs\forge39\lib\site-packages\tornado\iostream.py", line 182, in advance
assert 0 < size <= self._size
from ipympl.
pythonic2020
commented on June 16, 2024
If I create a new, fresh conda-forge based Python 3.9 env and install just matplotlib, notebook, and ipympl (and required dependencies), the issue still occurs.
from ipympl.
ianhi
commented on June 16, 2024
Those errors seem to be upstream of ipympl. Can you try this code:
from ipywidgets import IntSlider
slider = IntSlider()
display(slider)If I create a new, fresh conda-forge based Python 3.9 env and install just matplotlib, notebook, and ipympl (and required dependencies), the issue still occurs.
Can you post the exact command you used to make the new env
from ipympl.
pythonic2020
commented on June 16, 2024
Your IntSlider code above works perfectly in a classic notebook.
Env creation:
conda create -n ipympl39 -c conda-forge python=3.9
conda activate ipympl39
conda config --env --set channel_priority flexible
conda config --env --add channels conda-forge
conda config --env --show channels
conda config --env --show channel_priority
conda update --all
conda install matplotlib notebook ipympl
After the above env creation and package installation, all packages are from conda-forge repo.
Output of the info command in the new env (jupyterlab not installed):
3.9.16 | packaged by conda-forge | (main, Feb 1 2023, 21:28:38) [MSC v.1929 64 bit (AMD64)]
ipympl version: 0.9.3
Selected Jupyter core packages...
IPython : 8.11.0
ipykernel : 6.21.3
ipywidgets : 8.0.4
jupyter_client : 8.0.3
jupyter_core : 5.2.0
jupyter_server : 2.4.0
jupyterlab : not installed
nbclient : 0.7.2
nbconvert : 7.2.9
nbformat : 5.7.3
notebook : 6.5.3
qtconsole : not installed
traitlets : 5.9.0
Known nbextensions:
config dir: C:\Users\me\Miniconda3\envs\ipympl39\etc\jupyter\nbconfig
notebook section
jupyter-matplotlib/extension enabled
jupyter-js-widgets/extension enabled
- Validating: ok
- Validating: ok
usage: jupyter [-h] [--version] [--config-dir] [--data-dir] [--runtime-dir]
[--paths] [--json] [--debug]
[subcommand]
Jupyter: Interactive Computing
positional arguments:
subcommand the subcommand to launch
optional arguments:
-h, --help show this help message and exit
--version show the versions of core jupyter packages and exit
--config-dir show Jupyter config dir
--data-dir show Jupyter data dir
--runtime-dir show Jupyter runtime dir
--paths show all Jupyter paths. Add --json for machine-readable
format.
--json output paths as machine-readable json
--debug output debug information about paths
Available subcommands: bundlerextension dejavu events execute kernel
kernelspec migrate nbclassic nbclassic.exe.c~ nbconvert nbextension notebook
run script server serverextension troubleshoot trust
Jupyter command `jupyter-labextension` not found.
from ipympl.
pythonic2020
commented on June 16, 2024
I tried the 3d code in my new env in a classic notebook in MS Edge, and got these Jupyter terminal errors. Note "AttributeError: 'NoneType' object has no attribute 'advance'".
[E 09:37:21.655 NotebookApp] Exception in callback functools.partial(<function ZMQStream._update_handler.<locals>.<lambda> at 0x0000026BA5D67C10>)
Traceback (most recent call last):
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\tornado\ioloop.py", line 740, in _run_callback
ret = callback()
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\zmq\eventloop\zmqstream.py", line 705, in <lambda>
self.io_loop.add_callback(lambda: self._handle_events(self.socket, 0))
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\zmq\eventloop\zmqstream.py", line 621, in _handle_events
self._handle_recv()
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\zmq\eventloop\zmqstream.py", line 650, in _handle_recv
self._run_callback(callback, msg)
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\zmq\eventloop\zmqstream.py", line 584, in _run_callback
f = callback(*args, **kwargs)
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\zmq\eventloop\zmqstream.py", line 308, in stream_callback
return callback(self, msg)
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\notebook\services\kernels\handlers.py", line 572, in _on_zmq_reply
super()._on_zmq_reply(stream, msg)
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\notebook\base\zmqhandlers.py", line 256, in _on_zmq_reply
self.write_message(msg, binary=isinstance(msg, bytes))
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\tornado\websocket.py", line 339, in write_message
return self.ws_connection.write_message(message, binary=binary)
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\tornado\websocket.py", line 1086, in write_message
fut = self._write_frame(True, opcode, message, flags=flags)
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\tornado\websocket.py", line 1061, in _write_frame
return self.stream.write(frame)
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\tornado\iostream.py", line 546, in write
self._handle_write()
File "C:\Users\me\Miniconda3\envs\ipympl39\lib\site-packages\tornado\iostream.py", line 976, in _handle_write
self._write_buffer.advance(num_bytes)
AttributeError: 'NoneType' object has no attribute 'advance'
from ipympl.
pythonic2020
commented on June 16, 2024
Using notebook 7.0.0, ipympl works fine!
from ipympl.
pythonic2020
commented on June 16, 2024
ipympl 0.9.3 works fine in notebook 6.5.5 in a python 3.9.17 environment! "Case" closed. :-)
from ipympl.
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from ipympl.