Bitcraze Forums

Posted: **Wed Nov 28, 2018 3:12 pm**

Hi,
I am new to ubuntu and I follow the instruction on https://github.com/bitcraze/crazyflie-clients-python to install cfclient
When I try to execute command :

Code: Select all

 pip3 install -e .

I encountered with this problem:

Obtaining file:///home/yuze/Desktop/crazyflie-clients-python-master
Running setup.py (path:/home/yuze/Desktop/crazyflie-clients-python-master/setup.py) egg_info for package from file:///home/yuze/Desktop/crazyflie-clients-python-master
Traceback (most recent call last):
File "<string>", line 17, in <module>
File "/home/yuze/Desktop/crazyflie-clients-python-master/setup.py", line 33, in <module>
raise "must use python 3.5 or greater"
TypeError: exceptions must derive from BaseException
Complete output from command python setup.py egg_info:
Traceback (most recent call last):

File "<string>", line 17, in <module>

File "/home/yuze/Desktop/crazyflie-clients-python-master/setup.py", line 33, in <module>

raise "must use python 3.5 or greater"

TypeError: exceptions must derive from BaseException

Can anyone help me with this? thanks.

I open setup.py and find this

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 if sys.version_info < (3, 5):
raise "must use python 3.5 or greater"

Does that means I need to do system upgrade ?

Posted: **Thu Nov 29, 2018 6:54 am**

Yes, you need to upgrade do at least Ubuntu 16.04 that has Python 3.5. Are you using the Bitcraze VM?

Another solution is to come back to the latest release (the commit just before I added this test), this way you can work without updating Ubuntu, from the VM it would be done with these commands in the console:

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cd projects/crazyflie-clients-python/
git checkout 297bc356f4c93d5514
sudo pip3 install -e .

You just made me realize that the Bitcraze VM is now not compatible anymore with the client: we accepted a pull request recently that bumps the minimum python version to 3.5 around the release and that is why I added this check. I will get going and start working on a new VM using Ubuntu 18.04.

Posted: **Thu Dec 06, 2018 8:05 am**

An update on that: I released a new VM running XUbuntu 18.04 that solves the problem of running the client in the VM: https://github.com/bitcraze/bitcraze-vm/releases

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