[SLCE-241] - Fix description new line error from latest setuptools

[jboykin-bread]

SLCE-241

• Fix description new line error from latest setuptools.
• new image tag will be 0.109.post18.post2 for updating slice

reference: pypa/setuptools#2893

error:

# when building slice-tools Docker image in the getbread/slice project:
$ make build 
[+] Building 11.6s (24/31)
 => [internal] load build definition from Dockerfile                                                                                                0.0s
 => => transferring dockerfile: 2.97kB                                                                                                              0.0s
 => [internal] load .dockerignore                                                                                                                   0.0s
 => => transferring context: 2B                                                                                                                     0.0s
 => [internal] load metadata for docker.io/library/alpine:3.12                                                                                      0.8s
 => [internal] load metadata for docker.io/library/golang:1.16.4-alpine3.12                                                                         0.8s
 => [auth] library/alpine:pull token for registry-1.docker.io                                                                                       0.0s
 => [auth] library/golang:pull token for registry-1.docker.io                                                                                       0.0s
 => https://apk.cloudposse.com/[email protected]                                                                                           0.9s
 => [internal] load build context                                                                                                                   0.5s
 => => transferring context: 22.39MB                                                                                                                0.4s
 => [stage-1  1/16] FROM docker.io/library/alpine:3.12@sha256:d9459083f962de6bd980ae6a05be2a4cf670df6a1d898157bceb420342bec280                      0.0s
 => [builder 1/7] FROM docker.io/library/golang:1.16.4-alpine3.12@sha256:aa24a0a337084e0747e7c8e97e1131270ae38150e691314f1fa19f4b2f9093c0           0.0s
 => CACHED [builder 2/7] RUN apk -v --update add     curl     bash                                                                                  0.0s
 => CACHED [builder 3/7] RUN curl -sSL https://install.astronomer.io | bash -s -- v0.17.0                                                           0.0s
 => CACHED [builder 4/7] WORKDIR /src                                                                                                               0.0s
 => [builder 5/7] ADD . slice                                                                                                                       0.3s
 => [builder 6/7] WORKDIR /src/slice                                                                                                                0.0s
 => [builder 7/7] RUN go build -o main -ldflags="-X 'github.com/getbread/slice/internal/version.Version=dev-local (f5f6969919-changed)' -X 'github  7.2s
 => CACHED [stage-1  2/16] WORKDIR /tmp                                                                                                             0.0s
 => CACHED [stage-1  3/16] ADD https://apk.cloudposse.com/[email protected] /etc/apk/keys/                                                 0.0s
 => CACHED [stage-1  4/16] RUN echo "@cloudposse https://apk.cloudposse.com/3.12/vendor" >> /etc/apk/repositories                                   0.0s
 => CACHED [stage-1  5/16] RUN sed -i 's|http://dl-cdn.alpinelinux.org|https://alpine.global.ssl.fastly.net|g' /etc/apk/repositories &&     echo "  0.0s
 => CACHED [stage-1  6/16] RUN apk -v --update add     curl     python3     py3-pip     openssh     iptables     tini     conntrack-tools     git   0.0s
 => CACHED [stage-1  7/16] RUN python3 --version && pip3 --version                                                                                  0.0s
 => CACHED [stage-1  8/16] RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernet  0.0s
 => ERROR [stage-1  9/16] RUN ssh-keygen -A     && echo -e "ClientAliveInterval 1\nGatewayPorts yes\nPermitEmptyPasswords yes\nPort 38022\nClientA  9.8s
------
 > [stage-1  9/16] RUN ssh-keygen -A     && echo -e "ClientAliveInterval 1\nGatewayPorts yes\nPermitEmptyPasswords yes\nPort 38022\nClientAliveCountMax 10\nPermitRootLogin yes\n" >> /etc/ssh/sshd_config     && pip3 install git+https://github.com/datawire/sshuttle.git@telepresence     && git clone https://github.com/getbread/telepresence.git     && (cd telepresence && git checkout tags/0.109.post18 -b setup)     && pip3 install telepresence/     && passwd -d root:
#16 0.343 ssh-keygen: generating new host keys: RSA DSA ECDSA ED25519
#16 1.766 Collecting git+https://github.com/datawire/sshuttle.git@telepresence
#16 1.767   Cloning https://github.com/datawire/sshuttle.git (to revision telepresence) to ./pip-req-build-8ekkyra0
#16 1.768   Running command git clone -q https://github.com/datawire/sshuttle.git /tmp/pip-req-build-8ekkyra0
#16 2.543   Running command git checkout -b telepresence --track origin/telepresence
#16 2.549   Branch 'telepresence' set up to track remote branch 'telepresence' from 'origin'.
#16 2.550   Switched to a new branch 'telepresence'
#16 4.999 Using legacy setup.py install for sshuttle-telepresence, since package 'wheel' is not installed.
#16 5.044 Installing collected packages: sshuttle-telepresence
#16 5.046     Running setup.py install for sshuttle-telepresence: started
#16 5.588     Running setup.py install for sshuttle-telepresence: finished with status 'done'
#16 5.617 Successfully installed sshuttle-telepresence-0.78.2.dev45+gd250ccb
#16 5.912 Cloning into 'telepresence'...
#16 6.812 Switched to a new branch 'setup'
#16 7.261 Processing ./telepresence
#16 7.317   Installing build dependencies: started
#16 9.441   Installing build dependencies: finished with status 'done'
#16 9.442   Getting requirements to build wheel: started
#16 9.713   Getting requirements to build wheel: finished with status 'error'
#16 9.714   ERROR: Command errored out with exit status 1:
#16 9.714    command: /usr/bin/python3 /usr/lib/python3.8/site-packages/pep517/_in_process.py get_requires_for_build_wheel /tmp/tmpm6sk2ghw
#16 9.714        cwd: /tmp/pip-req-build-l9a4bi0h
#16 9.714   Complete output (39 lines):
#16 9.714   running egg_info
#16 9.714   creating telepresence.egg-info
#16 9.714   writing telepresence.egg-info/PKG-INFO
#16 9.714   Traceback (most recent call last):
#16 9.714     File "/usr/lib/python3.8/site-packages/pep517/_in_process.py", line 280, in <module>
#16 9.714       main()
#16 9.714     File "/usr/lib/python3.8/site-packages/pep517/_in_process.py", line 263, in main
#16 9.714       json_out['return_val'] = hook(**hook_input['kwargs'])
#16 9.714     File "/usr/lib/python3.8/site-packages/pep517/_in_process.py", line 114, in get_requires_for_build_wheel
#16 9.714       return hook(config_settings)
#16 9.714     File "/tmp/pip-build-env-_8v0go7t/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 162, in get_requires_for_build_wheel
#16 9.714       return self._get_build_requires(
#16 9.714     File "/tmp/pip-build-env-_8v0go7t/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 143, in _get_build_requires
#16 9.714       self.run_setup()
#16 9.714     File "/tmp/pip-build-env-_8v0go7t/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 267, in run_setup
#16 9.714       super(_BuildMetaLegacyBackend,
#16 9.714     File "/tmp/pip-build-env-_8v0go7t/overlay/lib/python3.8/site-packages/setuptools/build_meta.py", line 158, in run_setup
#16 9.714       exec(compile(code, __file__, 'exec'), locals())
#16 9.714     File "setup.py", line 9, in <module>
#16 9.714       setup(
#16 9.714     File "/tmp/pip-build-env-_8v0go7t/overlay/lib/python3.8/site-packages/setuptools/__init__.py", line 153, in setup
#16 9.714       return distutils.core.setup(**attrs)
#16 9.714     File "/usr/lib/python3.8/distutils/core.py", line 148, in setup
#16 9.714       dist.run_commands()
#16 9.714     File "/usr/lib/python3.8/distutils/dist.py", line 966, in run_commands
#16 9.714       self.run_command(cmd)
#16 9.714     File "/usr/lib/python3.8/distutils/dist.py", line 985, in run_command
#16 9.714       cmd_obj.run()
#16 9.714     File "/tmp/pip-build-env-_8v0go7t/overlay/lib/python3.8/site-packages/setuptools/command/egg_info.py", line 292, in run
#16 9.714       writer(self, ep.name, os.path.join(self.egg_info, ep.name))
#16 9.714     File "/tmp/pip-build-env-_8v0go7t/overlay/lib/python3.8/site-packages/setuptools/command/egg_info.py", line 656, in write_pkg_info
#16 9.714       metadata.write_pkg_info(cmd.egg_info)
#16 9.714     File "/usr/lib/python3.8/distutils/dist.py", line 1117, in write_pkg_info
#16 9.714       self.write_pkg_file(pkg_info)
#16 9.714     File "/tmp/pip-build-env-_8v0go7t/overlay/lib/python3.8/site-packages/setuptools/dist.py", line 167, in write_pkg_file
#16 9.714       write_field('Summary', single_line(self.get_description()))
#16 9.714     File "/tmp/pip-build-env-_8v0go7t/overlay/lib/python3.8/site-packages/setuptools/dist.py", line 151, in single_line
#16 9.714       raise ValueError('Newlines are not allowed')
#16 9.714   ValueError: Newlines are not allowed
#16 9.714   ----------------------------------------
#16 9.714 ERROR: Command errored out with exit status 1: /usr/bin/python3 /usr/lib/python3.8/site-packages/pep517/_in_process.py get_requires_for_build_wheel /tmp/tmpm6sk2ghw Check the logs for full command output.
------
executor failed running [/bin/sh -c ssh-keygen -A     && echo -e "ClientAliveInterval 1\nGatewayPorts yes\nPermitEmptyPasswords yes\nPort 38022\nClientAliveCountMax 10\nPermitRootLogin yes\n" >> /etc/ssh/sshd_config     && pip3 install git+https://github.com/datawire/sshuttle.git@telepresence     && git clone https://github.com/getbread/telepresence.git     && (cd telepresence && git checkout tags/0.109.post18 -b setup)     && pip3 install telepresence/     && passwd -d root]: exit code: 1
make: *** [build] Error 1