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-rw-r--r--var/spack/repos/builtin/packages/py-xarray/package.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/py-xarray/package.py b/var/spack/repos/builtin/packages/py-xarray/package.py
index f984cb0694..a8bc0d1753 100644
--- a/var/spack/repos/builtin/packages/py-xarray/package.py
+++ b/var/spack/repos/builtin/packages/py-xarray/package.py
@@ -29,6 +29,7 @@ class PyXarray(PythonPackage):
version('0.9.1', sha256='89772ed0e23f0e71c3fb8323746374999ecbe79c113e3fadc7ae6374e6dc0525')
variant('io', default=False, description='Build io backends')
+ variant('parallel', default=False, description='Build parallel backend')
depends_on('python@2.7:2.8,3.5:', when='@0.11:', type=('build', 'run'))
depends_on('python@3.5:', when='@0.12', type=('build', 'run'))
@@ -63,3 +64,4 @@ class PyXarray(PythonPackage):
depends_on('py-rasterio', when='+io', type=('build', 'run'))
depends_on('py-cfgrib', when='+io', type=('build', 'run'))
depends_on('py-pooch', when='+io', type=('build', 'run'))
+ depends_on('py-dask+array+dataframe+distributed+diagnostics+delayed', when='+parallel', type=('build', 'run'))