protoc-gen-mypy: program not found or is not executable

10:46:32 > Task :sdks:python:sdist FAILED
10:46:32 Requirement already satisfied: mypy-protobuf==1.12 in /home/jenkins/jenkins-slave/workspace/beam_LoadTests_Python_37_ParDo_Dataflow_Batch_PR/src/build/gradleenv/1922375555/lib/python3.7/site-packages (1.12)
10:46:32 beam_fn_api.proto: warning: Import google/protobuf/descriptor.proto but not used.
10:46:32 beam_fn_api.proto: warning: Import google/protobuf/wrappers.proto but not used.
10:46:32 protoc-gen-mypy: program not found or is not executable
10:46:32 --mypy_out: protoc-gen-mypy: Plugin failed with status code 1.
10:46:32 /home/jenkins/jenkins-slave/workspace/beam_LoadTests_Python_37_ParDo_Dataflow_Batch_PR/src/build/gradleenv/1922375555/lib/python3.7/site-packages/setuptools/dist.py:476: UserWarning: Normalizing '2.19.0.dev' to '2.19.0.dev0'
10:46:32   normalized_version,
10:46:32 Traceback (most recent call last):
10:46:32   File "setup.py", line 295, in <module>
10:46:32     'mypy': generate_protos_first(mypy),
10:46:32   File "/home/jenkins/jenkins-slave/workspace/beam_LoadTests_Python_37_ParDo_Dataflow_Batch_PR/src/build/gradleenv/1922375555/lib/python3.7/site-packages/setuptools/__init__.py", line 145, in setup
10:46:32     return distutils.core.setup(**attrs)
10:46:32   File "/usr/lib/python3.7/distutils/core.py", line 148, in setup
10:46:32     dist.run_commands()
10:46:32   File "/usr/lib/python3.7/distutils/dist.py", line 966, in run_commands
10:46:32     self.run_command(cmd)
10:46:32   File "/usr/lib/python3.7/distutils/dist.py", line 985, in run_command
10:46:32     cmd_obj.run()
10:46:32   File "/home/jenkins/jenkins-slave/workspace/beam_LoadTests_Python_37_ParDo_Dataflow_Batch_PR/src/build/gradleenv/1922375555/lib/python3.7/site-packages/setuptools/command/sdist.py", line 44, in run
10:46:32     self.run_command('egg_info')
10:46:32   File "/usr/lib/python3.7/distutils/cmd.py", line 313, in run_command
10:46:32     self.distribution.run_command(command)
10:46:32   File "/usr/lib/python3.7/distutils/dist.py", line 985, in run_command
10:46:32     cmd_obj.run()
10:46:32   File "setup.py", line 220, in run
10:46:32     gen_protos.generate_proto_files(log=log)
10:46:32   File "/home/jenkins/jenkins-slave/workspace/beam_LoadTests_Python_37_ParDo_Dataflow_Batch_PR/src/sdks/python/gen_protos.py", line 144, in generate_proto_files
10:46:32     '%s' % ret_code)
10:46:32 RuntimeError: Protoc returned non-zero status (see logs for details): 1