>>> python-web2py 2.20.4 Extracting gzip -d -c /home/naourr/work/instance-3/dl/python-web2py/python-web2py-2.20.4.tar.gz | /home/naourr/work/instance-3/output-1/host/bin/tar --strip-components=1 -C /home/naourr/work/instance-3/output-1/build/python-web2py-2.20.4 -xf - >>> python-web2py 2.20.4 Patching >>> python-web2py 2.20.4 Configuring >>> python-web2py 2.20.4 Building /home/naourr/work/instance-3/output-1/host/bin/python -c 'import os; os.chdir("/home/naourr/work/instance-3/output-1/build/python-web2py-2.20.4"); from gluon.main import save_password; save_password("web2py",8000)' Traceback (most recent call last): File "/home/naourr/work/instance-3/output-1/build/python-web2py-2.20.4/gluon/__init__.py", line 31, in import_packages sys.modules[package] = __import__(package) ModuleNotFoundError: No module named 'yatl' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "", line 1, in File "/home/naourr/work/instance-3/output-1/build/python-web2py-2.20.4/gluon/__init__.py", line 35, in import_packages() File "/home/naourr/work/instance-3/output-1/build/python-web2py-2.20.4/gluon/__init__.py", line 33, in import_packages raise RuntimeError(MESSAGE % package) RuntimeError: web2py depends on yatl, which apparently you have not installed. Probably you cloned the repository using git without '--recursive' To fix this, please run (from inside your web2py folder): git submodule update --init --recursive You can also download a complete copy from http://www.web2py.com. make: *** [package/pkg-generic.mk:270: /home/naourr/work/instance-3/output-1/build/python-web2py-2.20.4/.stamp_built] Error 1 make: Leaving directory '/home/naourr/work/instance-3/buildroot'