Can't install pyemd v0.4.4

[Mike Hollibaugh]

Collecting pyemd==0.4.4 (from -r production.txt (line 175))
Downloading https://files.pythonhosted.org/packages/34/61/0f2803463c695bdde498e63a6300f7878829427ecdb9144b6306883ce7f9/pyemd-0.4.4.tar.gz (67kB)
100% |████████████████████████████████| 71kB 10.5MB/s
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-build-CQ7HD3/pyemd/setup.py", line 104, in
'Programming Language :: Python :: 3.6'
File "/usr/lib/python2.7/distutils/core.py", line 111, in setup
_setup_distribution = dist = klass(attrs)
File "/usr/local/lib/python2.7/dist-packages/setuptools/dist.py", line 268, in init
self.fetch_build_eggs(attrs['setup_requires'])
File "/usr/local/lib/python2.7/dist-packages/setuptools/dist.py", line 313, in fetch_build_eggs
replace_conflicting=True,
File "/usr/local/lib/python2.7/dist-packages/pkg_resources/init.py", line 836, in resolve
dist = best[req.key] = env.best_match(req, ws, installer)
File "/usr/local/lib/python2.7/dist-packages/pkg_resources/init.py", line 1081, in best_match
return self.obtain(req, installer)
File "/usr/local/lib/python2.7/dist-packages/pkg_resources/init.py", line 1093, in obtain
return installer(requirement)
File "/usr/local/lib/python2.7/dist-packages/setuptools/dist.py", line 380, in fetch_build_egg
return cmd.easy_install(req)
File "/usr/local/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 629, in easy_install
return self.install_item(spec, dist.location, tmpdir, deps)
File "/usr/local/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 659, in install_item
dists = self.install_eggs(spec, download, tmpdir)
File "/usr/local/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 842, in install_eggs
return self.build_and_install(setup_script, setup_base)
File "/usr/local/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 1070, in build_and_install
self.run_setup(setup_script, setup_base, args)
File "/usr/local/lib/python2.7/dist-packages/setuptools/command/easy_install.py", line 1056, in run_setup
run_setup(setup_script, args)
File "/usr/local/lib/python2.7/dist-packages/setuptools/sandbox.py", line 240, in run_setup
raise
File "/usr/lib/python2.7/contextlib.py", line 35, in exit
self.gen.throw(type, value, traceback)
File "/usr/local/lib/python2.7/dist-packages/setuptools/sandbox.py", line 193, in setup_context
yield
File "/usr/lib/python2.7/contextlib.py", line 35, in exit
self.gen.throw(type, value, traceback)
File "/usr/local/lib/python2.7/dist-packages/setuptools/sandbox.py", line 164, in save_modules
saved_exc.resume()
File "/usr/local/lib/python2.7/dist-packages/setuptools/sandbox.py", line 139, in resume
compat.reraise(type, exc, self._tb)
File "/usr/local/lib/python2.7/dist-packages/setuptools/sandbox.py", line 152, in save_modules
yield saved
File "/usr/local/lib/python2.7/dist-packages/setuptools/sandbox.py", line 193, in setup_context
yield
File "/usr/local/lib/python2.7/dist-packages/setuptools/sandbox.py", line 237, in run_setup
DirectorySandbox(setup_dir).run(runner)
File "/usr/local/lib/python2.7/dist-packages/setuptools/sandbox.py", line 267, in run
return func()
File "/usr/local/lib/python2.7/dist-packages/setuptools/sandbox.py", line 236, in runner
_execfile(setup_script, ns)
File "/usr/local/lib/python2.7/dist-packages/setuptools/sandbox.py", line 46, in _execfile
exec(code, globals, locals)
File "/tmp/easy_install-8c1Zng/numpy-1.17.0/setup.py", line 31, in

RuntimeError: Python version >= 3.5 required.

----------------------------------------

Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-CQ7HD3/pyemd/

[William Mayner]

Try upgrading to the latest version of pyemd.