constraints.txt

# Copied from https://cloud.google.com/composer/docs/concepts/versioning/composer-versions for composer-2.0.2-airflow-2.1.4-python-3.8.12.
absl-py==1.0.0
alembic==1.7.3
amqp==2.6.1
anyio==3.3.1
apache-airflow==2.1.4+composer
apache-airflow-providers-apache-beam==3.1.0
apache-airflow-providers-cncf-kubernetes==3.0.0
apache-airflow-providers-ftp==2.0.1
apache-airflow-providers-google==6.3.0
apache-airflow-providers-hashicorp==2.1.1
apache-airflow-providers-http==2.0.2
apache-airflow-providers-imap==2.1.0
apache-airflow-providers-mysql==2.1.1
apache-airflow-providers-postgres==2.4.0
apache-airflow-providers-sendgrid==2.0.1
apache-airflow-providers-sqlite==2.0.1
apache-airflow-providers-ssh==2.3.0
apache-beam==2.35.0
apispec==3.3.2
argcomplete==1.12.3
astunparse==1.6.3
attrs==20.3.0
Babel==2.9.1
backports.entry-points-selectable==1.1.0
bcrypt==3.2.0
billiard==3.6.4.0
blinker==1.4
cachetools==4.2.2
cattrs==1.5.0
celery==4.4.7
certifi==2020.12.5
cffi==1.14.6
charset-normalizer==2.0.5
click==7.1.2
clickclick==20.10.2
colorama==0.4.4
colorlog==4.8.0
commonmark==0.9.1
crcmod==1.7
croniter==1.0.15
cryptography==3.4.8
defusedxml==0.7.1
dill==0.3.1.1
distlib==0.3.2
dnspython==1.16.0
docopt==0.6.2
docutils==0.16
email-validator==1.1.3
fastavro==1.4.9
fasteners==0.16.3
filelock==3.0.12
Flask==1.1.4
Flask-AppBuilder==3.3.3
Flask-Babel==1.0.0
Flask-Bcrypt==0.7.1
Flask-Caching==1.10.1
Flask-JWT-Extended==3.25.1
Flask-Login==0.4.1
Flask-OpenID==1.3.0
Flask-SQLAlchemy==2.5.1
Flask-WTF==0.14.3
flower==0.9.7
gast==0.3.3
google-ads==14.0.0
google-api-core==1.31.5
google-api-python-client==1.12.8
google-apitools==0.5.32
google-auth==1.35.0
google-auth-httplib2==0.1.0
google-auth-oauthlib==0.4.6
google-cloud-aiplatform==1.9.0
google-cloud-appengine-logging==1.1.0
google-cloud-audit-log==0.2.0
google-cloud-automl==2.5.2
google-cloud-bigquery==2.31.0
google-cloud-bigquery-datatransfer==3.4.1
google-cloud-bigtable==1.7.0
google-cloud-build==3.7.1
google-cloud-container==1.0.1
google-cloud-core==1.7.2
google-cloud-datacatalog==3.6.1
google-cloud-dataproc==3.1.1
google-cloud-dataproc-metastore==1.3.1
google-cloud-dlp==1.0.0
google-cloud-kms==2.10.1
google-cloud-language==1.3.0
google-cloud-logging==2.7.0
google-cloud-memcache==1.0.0
google-cloud-monitoring==2.8.0
google-cloud-os-login==2.5.1
google-cloud-pubsub==2.9.0
google-cloud-pubsublite==0.6.1
google-cloud-redis==2.5.0
google-cloud-secret-manager==1.0.0
google-cloud-spanner==1.19.1
google-cloud-speech==1.3.2
google-cloud-storage==1.44.0
google-cloud-tasks==2.7.1
google-cloud-texttospeech==1.0.1
google-cloud-translate==1.7.0
google-cloud-videointelligence==1.16.1
google-cloud-vision==1.0.0
google-cloud-workflows==1.5.0
google-crc32c==1.3.0
google-pasta==0.2.0
google-resumable-media==2.1.0
googleapis-common-protos==1.54.0
graphviz==0.17
grpc-google-iam-v1==0.12.3
grpcio==1.43.0
grpcio-gcp==0.2.2
grpcio-status==1.43.0
gunicorn==20.1.0
h11==0.12.0
h5py==2.10.0
hdfs==2.6.0
httpcore==0.13.7
httplib2==0.19.1
httpx==0.19.0
humanize==3.11.0
hvac==0.11.2
idna==3.2
importlib-metadata==4.8.1
importlib-resources==1.5.0
inflection==0.5.1
iso8601==0.1.16
isodate==0.6.0
itsdangerous==1.1.0
Jinja2==2.11.3
json-merge-patch==0.2
jsonschema==3.2.0
Keras-Preprocessing==1.1.2
kombu==4.6.11
kubernetes==11.0.0
lazy-object-proxy==1.4.3
libcst==0.3.23
lockfile==0.12.2
Mako==1.1.5
Markdown==3.3.4
MarkupSafe==1.1.1
marshmallow==3.13.0
marshmallow-enum==1.5.1
marshmallow-oneofschema==3.0.1
marshmallow-sqlalchemy==0.23.1
mypy-extensions==0.4.3
mysql-connector-python==8.0.22
mysqlclient==2.1.0
nox==2020.12.31
numpy==1.20.3
oauth2client==4.1.3
oauthlib==3.1.1
openapi-schema-validator==0.1.5
openapi-spec-validator==0.3.1
opt-einsum==3.3.0
orjson==3.6.5
overrides==6.1.0
packaging==21.3
pandas==1.3.3
pandas-gbq==0.14.1
paramiko==2.9.2
pendulum==2.1.2
pip==20.2.4
pipdeptree==2.2.1
platformdirs==2.3.0
prison==0.2.1
prometheus-client==0.8.0
proto-plus==1.18.1
protobuf==3.19.3
psutil==5.8.0
psycopg2-binary==2.9.3
py==1.11.0
pyarrow==6.0.1
pyasn1==0.4.8
pyasn1-modules==0.2.8
pycparser==2.20
pydata-google-auth==1.3.0
pydot==1.4.2
Pygments==2.10.0
PyJWT==1.7.1
pymongo==3.12.3
PyNaCl==1.5.0
pyOpenSSL==21.0.0
pyparsing==2.4.7
pyrsistent==0.18.0
pysftp==0.2.9
python-daemon==2.3.0
python-dateutil==2.8.2
python-http-client==3.3.4
python-nvd3==0.15.0
python-slugify==4.0.1
python3-openid==3.2.0
pytz==2021.1
pytzdata==2020.1
PyYAML==5.4.1
redis==3.5.3
requests==2.26.0
requests-oauthlib==1.3.0
rfc3986==1.5.0
rich==10.9.0
rsa==4.7.2
scipy==1.4.1
sendgrid==6.9.3
setproctitle==1.2.2
setuptools==59.8.0
six==1.16.0
sniffio==1.2.0
SQLAlchemy==1.3.24
SQLAlchemy-JSONField==1.0.0
SQLAlchemy-Utils==0.37.8
sshtunnel==0.4.0
starkbank-ecdsa==2.0.3
statsd==3.3.0
swagger-ui-bundle==0.0.9
tabulate==0.8.9
tenacity==6.2.0
tensorboard==2.2.2
tensorboard-plugin-wit==1.8.1
tensorflow==2.2.0
tensorflow-estimator==2.2.0
termcolor==1.1.0
text-unidecode==1.3
tornado==6.1
typing-extensions==3.10.0.2
typing-inspect==0.7.1
typing-utils==0.1.0
unicodecsv==0.14.1
uritemplate==3.0.1
urllib3==1.26.6
vine==1.3.0
virtualenv==20.8.0
websocket-client==1.2.1
Werkzeug==1.0.1
wheel==0.37.1
wrapt==1.13.3
WTForms==2.3.3
zipp==3.5.0

Probably should have additionally changed

https://gist.github.com/fpopic/049d989b3c68b3908feffbd635f1d694?permalink_comment_id=4097750#file-constraints-txt-L6

to

apache-airflow==2.1.4

or even totally removed it.