AUR OCRmypdf

Download error on https://pypi.org/simple/setuptools_scm_git_archive/: [Errno -2] Name or service not known -- Some packages may not be found!
Download error on https://pypi.org/simple/setuptools-scm-git-archive/: [Errno -2] Name or service not known -- Some packages may not be found!
Couldn't find index page for 'setuptools_scm_git_archive' (maybe misspelled?)
Download error on https://pypi.org/simple/: [Errno -2] Name or service not known -- Some packages may not be found!
No local packages or working download links found for setuptools_scm_git_archive
Traceback (most recent call last):
  File "setup.py", line 276, in <module>
    'Tracker': 'https://github.com/jbarlow83/ocrmypdf/issues'
  File "/usr/lib/python3.7/site-packages/setuptools/__init__.py", line 142, in setup
    _install_setup_requires(attrs)
  File "/usr/lib/python3.7/site-packages/setuptools/__init__.py", line 137, in _install_setup_requires
    dist.fetch_build_eggs(dist.setup_requires)
  File "/usr/lib/python3.7/site-packages/setuptools/dist.py", line 586, in fetch_build_eggs
    replace_conflicting=True,
  File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py", line 780, in resolve
    replace_conflicting=replace_conflicting
  File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py", line 1063, in best_match
    return self.obtain(req, installer)
  File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py", line 1075, in obtain
    return installer(requirement)
  File "/usr/lib/python3.7/site-packages/setuptools/dist.py", line 653, in fetch_build_egg
    return cmd.easy_install(req)
  File "/usr/lib/python3.7/site-packages/setuptools/command/easy_install.py", line 673, in easy_install
    raise DistutilsError(msg)
distutils.errors.DistutilsError: Could not find suitable distribution for Requirement.parse('setuptools_scm_git_archive')
==> ERROR: A failure occurred in package().
    Aborting...
==> ERROR: Makepkg was unable to build ocrmypdf.
==> Restart building ocrmypdf ? [y/N]
==> ---------------------------------
==> n
==> ERROR: unable to update