[...]

copying google/protobuf/compiler/plugin_pb2.py -> build-3/lib/google/protobuf/compiler
creating build-3/lib/google/protobuf/util
copying google/protobuf/util/json_format_proto3_pb2.py -> build-3/lib/google/protobuf/util
copying google/protobuf/util/__init__.py -> build-3/lib/google/protobuf/util
creating build-3/lib/google/protobuf/internal/import_test_package
copying google/protobuf/internal/import_test_package/__init__.py -> build-3/lib/google/protobuf/internal/import_test_package
copying google/protobuf/internal/import_test_package/outer_pb2.py -> build-3/lib/google/protobuf/internal/import_test_package
copying google/protobuf/internal/import_test_package/inner_pb2.py -> build-3/lib/google/protobuf/internal/import_test_package
Traceback (most recent call last):
  File "setup.py", line 270, in <module>
    ext_modules=ext_module_list,
  File "/usr/share/python3.7/site-packages/setuptools/__init__.py", line 140, in setup
    return distutils.core.setup(**attrs)
  File "/usr/lib/python3.7/distutils/core.py", line 148, in setup
    dist.run_commands()
  File "/usr/lib/python3.7/distutils/dist.py", line 966, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python3.7/distutils/dist.py", line 985, in run_command
    cmd_obj.run()
  File "/usr/lib/python3.7/distutils/command/build.py", line 135, in run
    self.run_command(cmd_name)
  File "/usr/lib/python3.7/distutils/cmd.py", line 313, in run_command
    self.distribution.run_command(command)
  File "/usr/lib/python3.7/distutils/dist.py", line 985, in run_command
    cmd_obj.run()
  File "setup.py", line 146, in run
    _build_py.run(self)
  File "/usr/lib/python3.7/distutils/command/build_py.py", line 406, in run
    self.run_2to3(self.updated_files)
  File "/usr/lib/python3.7/distutils/util.py", line 542, in run_2to3
    return run_2to3(files, self.fixer_names, self.options, self.explicit)
  File "/usr/lib/python3.7/distutils/util.py", line 476, in run_2to3
    from lib2to3.refactor import RefactoringTool, get_fixers_from_package
ModuleNotFoundError: No module named 'lib2to3'
error: Bad exit status from /tmp/B.PcuvTZ/BUILD/tmp/rpm-tmp.61384 (%build)
RPM build errors:
    Bad exit status from /tmp/B.PcuvTZ/BUILD/tmp/rpm-tmp.61384 (%build)
ended at: Mon Oct 22 12:47:09 2018, done in 0:03:10.371201
error: No files produced.
mesg: ttyname failed: Inappropriate ioctl for device
+ chmod -R u+rwX /tmp/B.PcuvTZ/BUILD
+ rm -rf /tmp/B.PcuvTZ/tmp /tmp/B.PcuvTZ/BUILD
mesg: ttyname failed: Inappropriate ioctl for device
+ rm -rf /tmp/B.PcuvTZ
Begin-TLD-Builder-Info
Build-Time: user:661.96s sys:20.34s real:200.49s (faults io:116 non-io:9352275)
End-TLD-Builder-Info