Update KubernetesPodOperator kubernetes_min_pod example (#2065)

* Fix typo in comments

* Fix typos in comments (conversaion -> conversation)

* Add 'cmd' in kubernetes_min_pod example so that the sample task passes

* Comment out unused imports to pass linter

* Remove commented out imports

Author: leahecole

composer/workflows/kubernetes_pod_operator.py

@@ -74,6 +74,9 @@
         task_id='pod-ex-minimum',
         # Name of task you want to run, used to generate Pod ID.
         name='pod-ex-minimum',
+        # Entrypoint of the container, if not specified the Docker container's
+        # entrypoint is used. The cmds parameter is templated.
+        cmds=['echo'],
         # The namespace to run within Kubernetes, default namespace is
         # `default`. There is the potential for the resource starvation of
         # Airflow workers and scheduler within the Cloud Composer environment,

composer/workflows/pythonvirtualenvoperator_python2_test.py

@@ -12,10 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sys
-
-import pytest
-
 from . import unit_testing