diff -Nru skimage-0.14.0/debian/changelog skimage-0.14.0/debian/changelog
--- skimage-0.14.0/debian/changelog	2018-06-26 08:06:56.000000000 +0000
+++ skimage-0.14.0/debian/changelog	2018-06-27 07:36:55.000000000 +0000
@@ -1,3 +1,12 @@
+skimage (0.14.0-0ubuntu2) cosmic; urgency=medium
+
+  * Patch upstream requirements so that dask won't become a Depends.
+    (because python-dask is not available)
+  * Add pytest to autopkgtest dependencies.
+  * Allow outputs to stderr during autopkgtest.
+
+ -- Mo Zhou <cdluminate@gmail.com>  Wed, 27 Jun 2018 07:36:55 +0000
+
 skimage (0.14.0-0ubuntu1) cosmic; urgency=medium
 
   * No-change backport to cosmic
diff -Nru skimage-0.14.0/debian/patches/deb_no_dask_in_setup skimage-0.14.0/debian/patches/deb_no_dask_in_setup
--- skimage-0.14.0/debian/patches/deb_no_dask_in_setup	1970-01-01 00:00:00.000000000 +0000
+++ skimage-0.14.0/debian/patches/deb_no_dask_in_setup	2018-06-27 07:36:55.000000000 +0000
@@ -0,0 +1,10 @@
+diff --git a/requirements/default.txt b/requirements/default.txt
+index 2e080079..21c23c2b 100644
+--- a/requirements/default.txt
++++ b/requirements/default.txt
+@@ -5,5 +5,4 @@ networkx>=1.8
+ six>=1.10.0
+ pillow>=4.3.0
+ PyWavelets>=0.4.0
+-dask[array]>=0.9.0
+ cloudpickle>=0.2.1
diff -Nru skimage-0.14.0/debian/patches/series skimage-0.14.0/debian/patches/series
--- skimage-0.14.0/debian/patches/series	2018-06-26 08:05:47.000000000 +0000
+++ skimage-0.14.0/debian/patches/series	2018-06-27 07:36:55.000000000 +0000
@@ -1,3 +1,4 @@
+deb_no_dask_in_setup
 deb_no_sphinx_galery
 fix-doc-links.patch
 doc-privacy.patch
diff -Nru skimage-0.14.0/debian/tests/control skimage-0.14.0/debian/tests/control
--- skimage-0.14.0/debian/tests/control	2018-06-26 08:05:47.000000000 +0000
+++ skimage-0.14.0/debian/tests/control	2018-06-27 07:36:55.000000000 +0000
@@ -1,5 +1,7 @@
 Tests: python2
-Depends: python-all, python-nose, python-skimage, python-pil | python-imaging, python-matplotlib, python-tk, python-networkx, xauth, xvfb
+Depends: python-all, python-nose, python-skimage, python-pil | python-imaging, python-matplotlib, python-tk, python-networkx, xauth, xvfb, python-pytest
+Restrictions: allow-stderr
 
 Tests: python3
-Depends: python3-all, python3-nose, python3-skimage, python3-pil | python3-imaging, python3-matplotlib, python3-tk, python3-networkx, xauth, xvfb
+Depends: python3-all, python3-nose, python3-skimage, python3-pil | python3-imaging, python3-matplotlib, python3-tk, python3-networkx, xauth, xvfb, python3-pytest, python3-dask
+Restrictions: allow-stderr