Fix flaky test.

0001-TST-Ensure-dot-results-are-placed-in-unique-files.patch

@@ -0,0 +1,32 @@
+From 2a25faa11dd3fa5fac3e713cbf9e6e76e755c122 Mon Sep 17 00:00:00 2001
+From: Elliott Sales de Andrade <quantum.analyst@gmail.com>
+Date: Fri, 21 Feb 2020 04:46:29 -0500
+Subject: [PATCH] TST: Ensure dot results are placed in unique files.
+
+Signed-off-by: Elliott Sales de Andrade <quantum.analyst@gmail.com>
+---
+ dask/tests/test_dot.py | 7 +++----
+ 1 file changed, 3 insertions(+), 4 deletions(-)
+
+diff --git a/dask/tests/test_dot.py b/dask/tests/test_dot.py
+index 0fb245d4..a069878c 100644
+--- a/dask/tests/test_dot.py
++++ b/dask/tests/test_dot.py
+@@ -217,11 +217,10 @@ def test_dot_graph_defaults():
+         ),
+     ],
+ )
+-def test_filenames_and_formats(filename, format, target, expected_result_type):
+-    result = dot_graph(dsk, filename=filename, format=format)
+-    assert os.path.isfile(target)
++def test_filenames_and_formats(tmpdir, filename, format, target, expected_result_type):
++    result = dot_graph(dsk, filename=str(tmpdir.join(filename)), format=format)
++    assert tmpdir.join(target).exists()
+     assert isinstance(result, expected_result_type)
+-    ensure_not_exists(target)
+ 
+ 
+ def test_delayed_kwargs_apply():
+-- 
+2.21.1
+

python-dask.spec

@@ -13,6 +13,8 @@ Summary:        Parallel PyData with Task Scheduling
 License:        BSD
 URL:            https://github.com/dask/dask/
 Source0:        %pypi_source
+# https://github.com/dask/dask/pull/5937
+Patch0001:      0001-TST-Ensure-dot-results-are-placed-in-unique-files.patch
 
 BuildArch:      noarch
 
@@ -215,6 +217,7 @@ export PYTHONDONTWRITEBYTECODE=1
 %changelog
 * Fri Feb 21 2020 Elliott Sales de Andrade <quantum.analyst@gmail.com> - 2.11.0-3
 - Fix typo in dependency
+- Fix flaky test
 
 * Wed Feb 19 2020 Elliott Sales de Andrade <quantum.analyst@gmail.com> - 2.11.0-2
 - Fix minimum dependency versions