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[docs] Add troubleshooting section to installation page (#12659)

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* Add troubleshooting section to installation docs

* Set fix instructions lang to bash

* Update doc/source/installation.rst

Co-authored-by: Richard Liaw <rliaw@berkeley.edu>
This commit is contained in:
Sumanth Ratna
2020-12-10 18:56:56 -08:00
committed by GitHub
co-authored by Richard Liaw
parent 9b3ef2f340
commit 8d1ad25545
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@@ -336,3 +336,32 @@ that you've cloned the git repository.
.. code-block:: bash
python -m pytest -v python/ray/tests/test_mini.py
Troubleshooting
---------------
If importing Ray (``python3 -c "import ray"``) in your development clone results
in this error:
.. code-block:: python
Traceback (most recent call last):
File "<string>", line 1, in <module>
File ".../ray/python/ray/__init__.py", line 63, in <module>
import ray._raylet # noqa: E402
File "python/ray/_raylet.pyx", line 98, in init ray._raylet
import ray.memory_monitor as memory_monitor
File ".../ray/python/ray/memory_monitor.py", line 9, in <module>
import psutil # noqa E402
File ".../ray/python/ray/thirdparty_files/psutil/__init__.py", line 159, in <module>
from . import _psosx as _psplatform
File ".../ray/python/ray/thirdparty_files/psutil/_psosx.py", line 15, in <module>
from . import _psutil_osx as cext
ImportError: cannot import name '_psutil_osx' from partially initialized module 'psutil' (most likely due to a circular import) (.../ray/python/ray/thirdparty_files/psutil/__init__.py)
Then you should run the following commands:
.. code-block:: bash
rm -rf python/ray/thirdparty_files/
python3 -m pip install setproctitle