SQLAlchemy 1.3.0 or greater is required

I use docker to install redash.
When i run the command : /usr/local/bin/docker-compose run --rm server create_db,it throw errors ,the error message is :
Creating redash_server_run … done
Traceback (most recent call last):
File “/app/manage.py”, line 6, in
from redash.cli import manager
File “/app/redash/init.py”, line 10, in
from flask_migrate import Migrate
File “/usr/local/lib/python2.7/site-packages/flask_migrate/init.py”, line 5, in
from alembic import version as alembic_version
File “/usr/local/lib/python2.7/site-packages/alembic/init.py”, line 3, in
from . import context # noqa
File “/usr/local/lib/python2.7/site-packages/alembic/context.py”, line 1, in
from .runtime.environment import EnvironmentContext
File “/usr/local/lib/python2.7/site-packages/alembic/runtime/environment.py”, line 1, in
from .migration import MigrationContext
File “/usr/local/lib/python2.7/site-packages/alembic/runtime/migration.py”, line 15, in
from … import ddl
File “/usr/local/lib/python2.7/site-packages/alembic/ddl/init.py”, line 1, in
from . import mssql # noqa
File “/usr/local/lib/python2.7/site-packages/alembic/ddl/mssql.py”, line 8, in
from .base import AddColumn
File “/usr/local/lib/python2.7/site-packages/alembic/ddl/base.py”, line 11, in
from …util.sqla_compat import _columns_for_constraint # noqa
File “/usr/local/lib/python2.7/site-packages/alembic/util/init.py”, line 32, in
raise CommandError(“SQLAlchemy 1.3.0 or greater is required.”)
alembic.util.exc.CommandError: SQLAlchemy 1.3.0 or greater is required.
redash_redis_1 is up-to-date
redash_postgres_1 is up-to-date
redash_email_1 is up-to-date
Starting redash_server_1 … done
redash_scheduler_1 is up-to-date
redash_worker_1 is up-to-date

but i have installed the SQLAlchemy

Could anyone help me?

What version of Redash are you installing? Your Python is on version 2.7 but the latest version of Redash uses Python 3.

My redash version is 8.0.0,is python2.7 suitable?