Log Message:
(devel/py-fixtures) Add BUILD_DEPENDS+=     ${PYPKGPREFIX}-pbr-[0-9]*

bulkbuild log shows following
|   ...
|    File \ 
"/usr/pkg/lib/python3.7/site-packages/setuptools/command/easy_install.py&qu \ 
ot;,
|        line 673, in easy_install
|      raise DistutilsError(msg)
|  distutils.errors.DistutilsError: Could not find suitable distribution for
|      Requirement.parse('pbr>0.11')
|  *** Error code 1
|
|  Stop.
|  make[1]: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/devel/py-fixtures