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/bef4f3d11e8b_drop_kuberesourceversion_and_.py
#
#
#
"""Drop KubeResourceVersion and KubeWorkerId
Revision ID: bef4f3d11e8b
Revises: e1a11ece99cc
Create Date: 2020-09-22 18:45:28.011654
"""
import sqlalchemy as sa
from alembic import op
revision = 'bef4f3d11e8b'
down_revision = 'e1a11ece99cc'
branch_labels = None
depends_on = None
WORKER_UUID_TABLE = "kube_worker_uuid"
WORKER_RESOURCEVERSION_TABLE = "kube_resource_version"
def upgrade():
    """Apply Drop KubeResourceVersion and KubeWorkerIdentifier tables"""
    op.drop_table(WORKER_UUID_TABLE)
    op.drop_table(WORKER_RESOURCEVERSION_TABLE)
def downgrade():
    """Unapply Drop KubeResourceVersion and KubeWorkerIdentifier tables"""
    _add_worker_uuid_table()
    _add_resource_table()
def _add_worker_uuid_table():