setup.py fails

[nigelhorne]

`... Best match: websockets 10.4 Processing websockets-10.4.tar.gz Writing /tmp/easy_install-hjxdwckn/websockets-10.4/setup.cfg Running websockets-10.4/setup.py -q bdist_egg --dist-dir /tmp/easy_install-hjxdwckn/websockets-10.4/egg-dist-tmp-mtkeexje Traceback (most recent call last): File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 154, in save_modules yield saved File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 195, in setup_context yield File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 250, in run_setup _execfile(setup_script, ns) File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 45, in _execfile exec(code, globals, locals) File "/tmp/easy_install-hjxdwckn/websockets-10.4/setup.py", line 21, in

File "", line 1 SyntaxError: future feature annotations is not defined

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "setup.py", line 100, in cmdclass={"upload": UploadCommand,}, File "/usr/lib/python3.6/site-packages/setuptools/init.py", line 129, in setup return distutils.core.setup(**attrs) File "/usr/lib64/python3.6/distutils/core.py", line 148, in setup dist.run_commands() File "/usr/lib64/python3.6/distutils/dist.py", line 955, in run_commands self.run_command(cmd) File "/usr/lib64/python3.6/distutils/dist.py", line 974, in run_command cmd_obj.run() File "/usr/lib/python3.6/site-packages/setuptools/command/install.py", line 67, in run self.do_egg_install() File "/usr/lib/python3.6/site-packages/setuptools/command/install.py", line 117, in do_egg_install cmd.run() File "/usr/lib/python3.6/site-packages/setuptools/command/easy_install.py", line 411, in run self.easy_install(spec, not self.no_deps) File "/usr/lib/python3.6/site-packages/setuptools/command/easy_install.py", line 659, in easy_install return self.install_item(None, spec, tmpdir, deps, True) File "/usr/lib/python3.6/site-packages/setuptools/command/easy_install.py", line 706, in install_item self.process_distribution(spec, dist, deps) File "/usr/lib/python3.6/site-packages/setuptools/command/easy_install.py", line 751, in process_distribution [requirement], self.local_index, self.easy_install File "/usr/lib/python3.6/site-packages/pkg_resources/init.py", line 770, in resolve replace_conflicting=replace_conflicting File "/usr/lib/python3.6/site-packages/pkg_resources/init.py", line 1053, in best_match return self.obtain(req, installer) File "/usr/lib/python3.6/site-packages/pkg_resources/init.py", line 1065, in obtain return installer(requirement) File "/usr/lib/python3.6/site-packages/setuptools/command/easy_install.py", line 678, in easy_install return self.install_item(spec, dist.location, tmpdir, deps) File "/usr/lib/python3.6/site-packages/setuptools/command/easy_install.py", line 704, in install_item dists = self.install_eggs(spec, download, tmpdir) File "/usr/lib/python3.6/site-packages/setuptools/command/easy_install.py", line 889, in install_eggs return self.build_and_install(setup_script, setup_base) File "/usr/lib/python3.6/site-packages/setuptools/command/easy_install.py", line 1157, in build_and_install self.run_setup(setup_script, setup_base, args) File "/usr/lib/python3.6/site-packages/setuptools/command/easy_install.py", line 1143, in run_setup run_setup(setup_script, args) File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 253, in run_setup raise File "/usr/lib64/python3.6/contextlib.py", line 99, in exit self.gen.throw(type, value, traceback) File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 195, in setup_context yield File "/usr/lib64/python3.6/contextlib.py", line 99, in exit self.gen.throw(type, value, traceback) File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 166, in save_modules saved_exc.resume() File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 141, in resume six.reraise(type, exc, self._tb) File "/usr/lib/python3.6/site-packages/setuptools/_vendor/six.py", line 685, in reraise raise value.with_traceback(tb) File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 154, in save_modules yield saved File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 195, in setup_context yield File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 250, in run_setup _execfile(setup_script, ns) File "/usr/lib/python3.6/site-packages/setuptools/sandbox.py", line 45, in _execfile exec(code, globals, locals) File "/tmp/easy_install-hjxdwckn/websockets-10.4/setup.py", line 21, in

SyntaxError: future feature annotations is not defined`