Cannot Import Ray in Python code

[ray-project]

Cannot Import Ray in Python code

[robertnishihara]

Interesting, I think I've seen this error before. Let me think about this for a second.

[robertnishihara]

Can you also share the output of python setup.py install (from the ray/python/ directory)?

Also, you might try running python setup.py develop from the ray/python/ directory and see if that is any different.

[robertnishihara]

Oh, I just noticed that you are using Python 3.5 to import ray, but some of the compilation is being done against Python 2.7. That's the problem.

Want to try installing Anaconda 3.5, making sure that which python finds the Anaconda Python that you just installed?

Then I'd wipe the whole ray/ directory, clone it again, and do python setup.py install again. If that doesn't work, can you share the output again?

[EddieGao98]

I’ve already installed Anaconda, but which python still just returns /usr/bin/python. I have both Python 2 and Python3 on my computer and I think my computer still defaults to Python 2 when I just type “Python”—I use “Python3” to run python 3, could that be the problem?

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On Feb 2, 2017, at 2:37 PM, Robert Nishihara ***@***.***> wrote: Oh, I just noticed that you are running python setup.py using Python 3.5 but some of the compilation is being done against Python 2.7. That's the problem. Want to try installing Anaconda 3.5, making sure that which python finds the Anaconda Python that you just installed? Then I'd wipe the whole ray/ directory, clone it again, and do python setup.py install again. If that doesn't work, can you share the output again? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#241 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AWMWiPWsNkWNZxeMU-9eXpyJY1mwgEDOks5rYlqXgaJpZM4L1p-p>.

[EddieGao98]

Never mind what I just said about the defaults, sorry. I just checked what Python defaults to and it’s Python 3, that’s not a problem. Sorry about that!

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On Feb 2, 2017, at 2:50 PM, Eddie Gao ***@***.***> wrote: I’ve already installed Anaconda, but which python still just returns /usr/bin/python. I have both Python 2 and Python3 on my computer and I think my computer still defaults to Python 2 when I just type “Python”—I use “Python3” to run python 3, could that be the problem? > On Feb 2, 2017, at 2:37 PM, Robert Nishihara ***@***.*** ***@***.***>> wrote: > > Oh, I just noticed that you are running python setup.py using Python 3.5 but some of the compilation is being done against Python 2.7. That's the problem. > > Want to try installing Anaconda 3.5, making sure that which python finds the Anaconda Python that you just installed? > > Then I'd wipe the whole ray/ directory, clone it again, and do python setup.py install again. If that doesn't work, can you share the output again? > > — > You are receiving this because you authored the thread. > Reply to this email directly, view it on GitHub <#241 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AWMWiPWsNkWNZxeMU-9eXpyJY1mwgEDOks5rYlqXgaJpZM4L1p-p>. >

[robertnishihara]

Can you try opening a new terminal and seeing if which python gives you Anaconda? If not, then you will have to manually add Anaconda to your path, e.g., add something like

export PATH="$HOME/anaconda/bin:$PATH"

to the end of your ~/.bash_profile.

Can you try that?

[robertnishihara]

I just noticed that you're running Python with a capital P. Can you instead run it with a lowercase p and see if you can import ray?

When ray is being installed, it compiles against the version of python that is being used by the python command. Can you verify that that is the problem?

[robertnishihara]

Also, what are the outputs of which python and which Python?

[EddieGao98]

After restarting the terminal, which python is now giving me /Users/edwardgao/anaconda/bin/Python However import ray is still giving the same error. There doesn’t seem to be a difference between running python and Python

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On Feb 2, 2017, at 3:22 PM, Robert Nishihara ***@***.***> wrote: Also, what are the outputs of which python and which Python? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#241 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AWMWiD0wtOJM9SqGBDVvczvOb2RsNJOyks5rYmVLgaJpZM4L1p-p>.

[robertnishihara]

Ok, what if you remove Anaconda from your path and rerun the which commands?

Anyway, let me know if reinstalling Ray using Anaconda solves the problem (and after wiping and recloning the ray directory).

[EddieGao98]

I just manually reinstalled, it seems to be working now. Thanks for the help!

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On Feb 2, 2017, at 3:27 PM, Robert Nishihara ***@***.***> wrote: Ok, what if you remove Anaconda from your path and rerun the which commands? Anyway, let me know if reinstalling Ray using Anaconda solves the problem (and after wiping and recloning the ray directory). — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#241 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AWMWiN3TekTMXan2Z28kJ6BKt-Hg9fUwks5rYmZLgaJpZM4L1p-p>.

[robertnishihara]

Great, glad to hear it!