=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for python-driver-3.15.1.tar.gz
=> Checksum RMD160 OK for python-driver-3.15.1.tar.gz
=> Checksum SHA512 OK for python-driver-3.15.1.tar.gz
===> Installing dependencies for py37-cassandra-driver-3.15.1
==========================================================================
The following variables will affect the build process of this package,
py37-cassandra-driver-3.15.1.  Their current value is shown below:

        * PYTHON_VERSION_DEFAULT = 37

Based on these variables, the following variables have been set:

        * PYPACKAGE = python37

You may want to abort the process now with CTRL-C and change their value
before continuing.  Be sure to run `/usr/bin/make clean' after
the changes.
==========================================================================
=> Tool dependency distcc-[0-9]*: found distcc-3.3
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency py37-cython>=0.28: found py37-cython-0.29.15
=> Full dependency py37-six>=1.9: found py37-six-1.14.0
=> Full dependency py37-setuptools>=0.8: found py37-setuptools-44.0.0
=> Full dependency python37>=3.7.0: found python37-3.7.7
=> Full dependency libev>=4.01: found libev-4.33
===> Overriding tools for py37-cassandra-driver-3.15.1
===> Extracting for py37-cassandra-driver-3.15.1
===> Patching for py37-cassandra-driver-3.15.1
===> Creating toolchain wrappers for py37-cassandra-driver-3.15.1
===> Configuring for py37-cassandra-driver-3.15.1