diff --git a/var/spack/repos/builtin/packages/py-async-generator/package.py b/var/spack/repos/builtin/packages/py-async-generator/package.py
new file mode 100644
index 0000000000..55cab55258
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-async-generator/package.py
@@ -0,0 +1,18 @@
+# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class PyAsyncGenerator(PythonPackage):
+    """Provides async generator functionality to python 3.5."""
+
+    homepage = "https://pypi.org/project/async_generator/"
+    url      = "https://pypi.io/packages/source/a/async_generator/async_generator-1.10.tar.gz"
+
+    version('1.10', sha256='6ebb3d106c12920aaae42ccb6f787ef5eefdcdd166ea3d628fa8476abe712144')
+
+    depends_on('py-setuptools', type='build')
+    depends_on('python@3.5:')