ImportError: No module named theano

[mrgloom]

When I run ./run_demo.sh under merlin/egs/slt_arctic/s1 I get:

./run_demo.sh
Step 1:
data is ready!
Merlin default voice settings configured in conf/global_settings.cfg
setup done...!
Step 2:
preparing config files for acoustic, duration models...
Duration configuration settings stored in conf/duration_slt_arctic_demo.conf
Acoustic configuration settings stored in conf/acoustic_slt_arctic_demo.conf
preparing config files for synthesis...
Duration configuration settings stored in conf/test_dur_synth_slt_arctic_demo.conf
Acoustic configuration settings stored in conf/test_synth_slt_arctic_demo.conf
Step 3:
training duration model...
Architecture: x86_64
/Users/user/external_projects/text-to-speech/merlin/src/setup_env.sh: line 21: lsb_release: command not found
Distribution:
HOSTNAME=user-MacBook-Pro.local
USER=user

PATH:
    /usr/local/bin
    /usr/bin
    /bin
    /usr/sbin
    /sbin
    /opt/X11/bin
LD_LIBRARY_PATH:
PYTHONPATH:
    /Users/user/external_projects/text-to-speech
PYTHONBIN: python
MERLIN_THEANO_FLAGS:
    cuda.root=/usr/local/8.0
    floatX=float32
    on_unused_input=ignore

No GPU is available! Running on CPU...
Traceback (most recent call last):
  File "/Users/user/external_projects/text-to-speech/merlin/src/run_merlin.py", line 56, in <module>
    import theano
ImportError: No module named theano

But I can import theano from python:

import theano

theano.__file__
'/usr/local/lib/python3.6/site-packages/theano/__init__.py'

[mrgloom]

Installing under virtualenv helped:

python3 -m virtualenv merlin-env
source merlin-env/bin/activate
pip install -r requirements.txt