Two character update to Airflow DAG (GoogleCloudPlatform#6699)

* Removing an environment variable causing problems

* two character fix for kpo

Author: leahecole

composer/airflow_1_samples/kubernetes_pod_operator.py

@@ -132,7 +132,7 @@
         # container to use. env_vars is templated.
         env_vars={
             'EXAMPLE_VAR': '/example/value',
-            'GOOGLE_APPLICATION_CREDENTIALS': '/var/secrets/google/service-account.json'})
+            'GOOGLE_APPLICATION_CREDENTIALS': '/var/secrets/google/service-account.json '})
     # [END composer_kubernetespodoperator_secretconfig_airflow_1]
     # [START composer_kubernetespodaffinity_airflow_1]
     kubernetes_affinity_ex = kubernetes_pod_operator.KubernetesPodOperator(

composer/workflows/kubernetes_pod_operator.py

@@ -132,7 +132,7 @@
         # container to use. env_vars is templated.
         env_vars={
             'EXAMPLE_VAR': '/example/value',
-            'GOOGLE_APPLICATION_CREDENTIALS': '/var/secrets/google/service-account.json'})
+            'GOOGLE_APPLICATION_CREDENTIALS': '/var/secrets/google/service-account.json '})
     # [END composer_kubernetespodoperator_secretconfig]
     # [START composer_kubernetespodaffinity]
     kubernetes_affinity_ex = KubernetesPodOperator(