diff --git a/var/spack/repos/builtin/packages/py-nest-asyncio/package.py b/var/spack/repos/builtin/packages/py-nest-asyncio/package.py
new file mode 100644
index 0000000000..5ffcde84d9
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-nest-asyncio/package.py
@@ -0,0 +1,16 @@
+# Copyright 2013-2020 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)
+
+
+class PyNestAsyncio(PythonPackage):
+    """Patch asyncio to allow nested event loops."""
+
+    homepage = "https://github.com/erdewit/nest_asyncio"
+    url      = "https://pypi.io/packages/source/n/nest-asyncio/nest_asyncio-1.4.0.tar.gz"
+
+    version('1.4.0', sha256='5773054bbc14579b000236f85bc01ecced7ffd045ec8ca4a9809371ec65a59c8')
+
+    depends_on('python@3.5:', type=('build', 'run'))
+    depends_on('py-setuptools', type='build')