Add new dependence "astropy/regions" from GitHub

Credit:
* Adding git (or hg, or svn) dependencies in setup.py (Python)
  https://mike.zwobble.org/2013/05/adding-git-or-hg-or-svn-dependencies-in-setup-py/
* Python Dependencies via Pip
  https://devcenter.heroku.com/articles/python-pip

1 files changed, 3 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index 6b0feb2..626dbb0 100755
--- a/setup.py
+++ b/setup.py
@@ -96,6 +96,9 @@ setup(
         "requests",
         "tornado",
     ],
+    dependency_links=[
+        "git+https://github.com/astropy/regions.git",
+    ],
     tests_require=["pytest"],
     cmdclass={"test": PyTest},
 )