Pythonengine Matlab cannot find attributes like 'find_matlab' - python

I am running python 2.7 and matlab2015a from a virtual environment. Both matlab and python are properly in the path (I can start them from terminal). But, whenever I do this:
python
from matlab.engine import pythonengine
pythonengine.find_matlab()
I get this:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute 'find_matlab'
I get similar errors for all other functions in __init__.py in my /lib/python2.7/site-packages/matlab/engine.
I have installed the pythonengine using the instructions in https://www.mathworks.com/help/matlab/matlab_external/install-the-matlab-engine-for-python.html from my virtualenvironment.


This is because find_matlab() is a function of matlab.engine, not matlab.engine.pythonengine. Try:
python
import matlab.engine
matlab.engine.find_matlab()

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