Travis needs latest sqlite version because Airflow 2.0 needs latest s…

…qlite version

.travis.yml

@@ -7,12 +7,12 @@ python:
 services:
   - postgresql
 install:
-  - pip install apache-airflow[postgres] boto3 pylint isort marshmallow
+  - pip install apache-airflow[postgres] flask-sqlalchemy boto3 pylint isort marshmallow
 env:
   - AIRFLOW__BATCH__REGION=us-west-1 AIRFLOW__BATCH__JOB_NAME=some-job-name AIRFLOW__BATCH__JOB_QUEUE=some-job-queue AIRFLOW__BATCH__JOB_DEFINITION=some-job-def AIRFLOW__ECS_FARGATE__REGION=us-west-1 AIRFLOW__ECS_FARGATE__CLUSTER=some-cluster AIRFLOW__ECS_FARGATE__CONTAINER_NAME=some-container-name AIRFLOW__ECS_FARGATE__TASK_DEFINITION=some-task-def AIRFLOW__ECS_FARGATE__LAUNCH_TYPE=FARGATE AIRFLOW__ECS_FARGATE__PLATFORM_VERSION=LATEST AIRFLOW__ECS_FARGATE__ASSIGN_PUBLIC_IP=DISABLED AIRFLOW__ECS_FARGATE__SECURITY_GROUPS=SG1,SG2 AIRFLOW__ECS_FARGATE__SUBNETS=SUB1,SUB2 AIRFLOW__CORE__SQL_ALCHEMY_CONN=postgresql+psycopg2://postgres:@localhost:5432/airflow
 before_script:
   - psql -c 'create database airflow;' -U postgres
-  - airflow initdb
+  - airflow db init
 script:
   - pylint --fail-under=9 ./airflow_aws_executors
   - isort -c -rc ./airflow_aws_executors