Variable import failed -- used CLI method

[pranavpawar3]

Hi,

I have created a variables.json file to be loaded for my dags, the file is as follows

{
	"variables_config": {
		"run_name": "run_v5.0",
		"model_name": "bert-base-uncased",
		"model_type": "bert"
	}
}

When I try to import this variable file using CLI, the following error is generated --

[2020-06-29 14:36:02,949] {{cli_action_loggers.py:107}} WARNING - Failed to log action with (psycopg2.errors.UndefinedTable) relation "log" does not exist
LINE 1: INSERT INTO log (dttm, dag_id, task_id, event, execution_dat...
                    ^

[SQL: INSERT INTO log (dttm, dag_id, task_id, event, execution_date, owner, extra) VALUES (%(dttm)s, %(dag_id)s, %(task_id)s, %(event)s, %(execution_date)s, %(owner)s, %(extra)s) RETURNING log.id]
[parameters: {'dttm': datetime.datetime(2020, 6, 29, 14, 36, 2, 937905, tzinfo=<Timezone [UTC]>), 'dag_id': None, 'task_id': None, 'event': 'cli_variables', 'execution_date': None, 'owner': 'airflow', 'extra': '{"host_name": "903358252eab", "full_command": "[\'/usr/local/bin/airflow\', \'variables\', \'--import\', \'/usr/local/airflow/dags/config/variables.json\']"}'}]
(Background on this error at: http://sqlalche.me/e/13/f405)
Variable import failed: ProgrammingError('(psycopg2.errors.UndefinedTable) relation "variable" does not exist\nLINE 1: DELETE FROM variable WHERE variable.key = \'variables_config\'\n                    ^\n')
0 of 1 variables successfully updated.
1 variable(s) failed to be updated.

Command used -

docker-compose run --rm webserver airflow variables --import /usr/local/airflow/dags/config/variables.json

Code to access the variables -

default_args = {
    'owner': 'airflow',
    'start_date': airflow.utils.dates.days_ago(1),# dt.datetime(2020, 6, 25),
    'concurrency': 1,
    'retries': 0,
    'schedule_interval':'@once'
}

dag_config = Variable.get("variables_config", deserialize_json=True)

run_name = dag_config["run_name"]
model_name = dag_config["model_name"]
model_type = dag_config["model_type"]

Can you help out with this issue?

P.S. I have forked the repo here, changed the volume mappings for custom use.