Issue encountered during alembic migration when running Airflow 2.0.0b3 locally using a sqlite backend and calling airflow.utils.db.resetdb():

**sqlalchemy.exc.OperationalError: (sqlite3.OperationalError) table kube_resource_version already exists
[SQL: 
CREATE TABLE kube_resource_version (
	one_row_id BOOLEAN DEFAULT (1) NOT NULL, 
	resource_version VARCHAR(255), 
	PRIMARY KEY (one_row_id), 
	CONSTRAINT kube_resource_version_one_row_id CHECK (one_row_id), 
	CHECK (one_row_id IN (0, 1))
)

]**

airflow/migrations/versions/33ae817a1ff4_add_kubernetes_resource_checkpointing.py
#
#
"""kubernetes_resource_checkpointing
Revision ID: 33ae817a1ff4
Revises: 947454bf1dff
Create Date: 2017-09-11 15:26:47.598494
"""
import sqlalchemy as sa
from alembic import op
revision = '33ae817a1ff4'
down_revision = 'd2ae31099d61'
branch_labels = None
depends_on = None
RESOURCE_TABLE = "kube_resource_version"
def upgrade():