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Prints from ray remote are coming in a previous notebook cell #1370

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@scngupta-dsp

Description

@scngupta-dsp

Issue Description:
When using ray in a notebook, the prints from a ray future are coming in previous cell instead of the cell where the future is executed

To Reproduce
Refer minimal jupyter notebook example shown in the snapshot

Expected behavior
The prints from ray future should come in the cell where the future is executed

Logs: Refer snapshot below

Image

Desktop:

  • OS: Ubuntu (WSL)
  • OS Version: 22.04.3 LTS
  • Python: 3.12

Package Version


aiosignal 1.3.2
asttokens 3.0.0
attrs 25.1.0
certifi 2025.1.31
charset-normalizer 3.4.1
click 8.1.8
comm 0.2.2
debugpy 1.8.12
decorator 5.2.1
executing 2.2.0
filelock 3.17.0
frozenlist 1.5.0
idna 3.10
ipykernel 6.29.5
ipython 8.32.0
ipywidgets 8.1.5
jedi 0.19.2
jsonschema 4.23.0
jsonschema-specifications 2024.10.1
jupyter_client 8.6.3
jupyter_core 5.7.2
jupyterlab_widgets 3.0.13
matplotlib-inline 0.1.7
msgpack 1.1.0
nest-asyncio 1.6.0
packaging 24.2
parso 0.8.4
pexpect 4.9.0
pip 25.0.1
platformdirs 4.3.6
prompt_toolkit 3.0.50
protobuf 5.29.3
psutil 7.0.0
ptyprocess 0.7.0
pure_eval 0.2.3
Pygments 2.19.1
python-dateutil 2.9.0.post0
PyYAML 6.0.2
pyzmq 26.2.1
ray 2.42.1
referencing 0.36.2
requests 2.32.3
rpds-py 0.23.1
setuptools 75.8.2
six 1.17.0
stack-data 0.6.3
tornado 6.4.2
traitlets 5.14.3
typing_extensions 4.12.2
urllib3 2.3.0
wcwidth 0.2.13
wheel 0.45.1
widgetsnbextension 4.0.13

Additional Information
After downgrading ipykernel to 6.26.0, the normal behavior is observed. Refer snapshot below

Image

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