diff -Nru python-tasklib-2.3.0/debian/changelog python-tasklib-2.3.0/debian/changelog
--- python-tasklib-2.3.0/debian/changelog	2021-01-04 13:09:40.000000000 +0000
+++ python-tasklib-2.3.0/debian/changelog	2021-01-15 08:27:28.000000000 +0000
@@ -1,3 +1,9 @@
+python-tasklib (2.3.0-3) unstable; urgency=medium
+
+  * Drop wsl dependency
+
+ -- Jochen Sprickerhof <jspricke@debian.org>  Fri, 15 Jan 2021 09:27:28 +0100
+
 python-tasklib (2.3.0-2) unstable; urgency=medium
 
   * update maintainer address
diff -Nru python-tasklib-2.3.0/debian/control python-tasklib-2.3.0/debian/control
--- python-tasklib-2.3.0/debian/control	2021-01-04 13:04:18.000000000 +0000
+++ python-tasklib-2.3.0/debian/control	2021-01-15 07:52:28.000000000 +0000
@@ -7,7 +7,6 @@
                dh-sequence-python3,
                python3-all,
                python3-setuptools,
-               wsl,
 Build-Depends-Indep: python3-tzlocal,
                      taskwarrior,
 Standards-Version: 4.5.1
diff -Nru python-tasklib-2.3.0/debian/patches/0001-Fix-unit-tests-on-non-wsl-non-Travis-systems.patch python-tasklib-2.3.0/debian/patches/0001-Fix-unit-tests-on-non-wsl-non-Travis-systems.patch
--- python-tasklib-2.3.0/debian/patches/0001-Fix-unit-tests-on-non-wsl-non-Travis-systems.patch	1970-01-01 00:00:00.000000000 +0000
+++ python-tasklib-2.3.0/debian/patches/0001-Fix-unit-tests-on-non-wsl-non-Travis-systems.patch	2021-01-15 08:21:44.000000000 +0000
@@ -0,0 +1,24 @@
+From: Jochen Sprickerhof <git@jochen.sprickerhof.de>
+Date: Fri, 15 Jan 2021 09:08:05 +0100
+Subject: Fix unit tests on non wsl non Travis systems
+
+The test_custom_command was introduced in #63 with the TASK_VERSION for
+Travis. As TASK_VERSION is not part of a default environment, the test
+would still try to run `wsl` on other systems and fail.
+---
+ tasklib/tests.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tasklib/tests.py b/tasklib/tests.py
+index 8b93a86..fcd46de 100644
+--- a/tasklib/tests.py
++++ b/tasklib/tests.py
+@@ -72,7 +72,7 @@ class TaskWarriorTest(TasklibTest):
+         tw = self.get_taskwarrior(
+             task_command='wsl task',
+             # prevent `_get_version` from running as `wsl` may not exist
+-            version_override=os.getenv('TASK_VERSION'),
++            version_override=os.getenv('TASK_VERSION', 'v1.2.3'),
+         )
+         self.assertEqual(tw._get_task_command(), ['wsl', 'task'])
+ 
diff -Nru python-tasklib-2.3.0/debian/patches/series python-tasklib-2.3.0/debian/patches/series
--- python-tasklib-2.3.0/debian/patches/series	1970-01-01 00:00:00.000000000 +0000
+++ python-tasklib-2.3.0/debian/patches/series	2021-01-15 08:21:44.000000000 +0000
@@ -0,0 +1 @@
+0001-Fix-unit-tests-on-non-wsl-non-Travis-systems.patch