{"id":28422,"library":"types-boto3-stepfunctions","title":"types-boto3-stepfunctions","description":"Type annotations for boto3 SFN (Step Functions) service, generated by mypy-boto3-builder. Provides static type checking support for boto3 Step Functions client, service model, and paginators. Version 1.43.0 corresponds to boto3 SFN 1.43.0 service. Package is auto-generated and released on a regular cadence alongside boto3 service updates.","status":"active","version":"1.43.0","language":"python","source_language":"en","source_url":"https://github.com/youtype/mypy_boto3_builder","tags":["types","boto3","stepfunctions","stubs","mypy","type-hints"],"install":[{"cmd":"pip install types-boto3-stepfunctions","lang":"bash","label":"Install from PyPI"}],"dependencies":[{"reason":"Runtime dependency; type stubs require boto3 to be installed.","package":"boto3","optional":false},{"reason":"Required for newer typing features, especially on Python <3.11.","package":"typing-extensions","optional":false}],"imports":[{"wrong":"from mypy_boto3_stepfunctions import SFNClient","symbol":"SFNClient","correct":"from types_boto3_stepfunctions import SFNClient"}],"quickstart":{"code":"import boto3\nfrom mypy_boto3_stepfunctions import SFNClient\n\nclient: SFNClient = boto3.client('stepfunctions', region_name='us-east-1')\n# Now client is fully typed\nresponse = client.list_state_machines()\nprint(response['stateMachines'])","lang":"python","description":"Initialize a typed Step Functions client and call a method."},"warnings":[{"fix":"Update any references to renamed TypeDefs. Check the changelog for specifics.","message":"Version 8.9.0 of the builder introduced renaming of TypeDefs: extra postfix moved to end (e.g., CreateDistributionExtraRequestTypeDef became CreateDistributionRequestExtraTypeDef). If you use type aliases directly, update imports.","severity":"breaking","affected_versions":">=8.9.0"},{"fix":"Upgrade to Python 3.9 or later.","message":"Python 3.8 support removed in builder version 8.12.0. types-boto3-stepfunctions now requires Python >=3.9.","severity":"deprecated","affected_versions":">=1.43.0"},{"fix":"Run `pip install --upgrade types-boto3-stepfunctions`.","message":"These stubs are auto-generated; service changes in boto3 may not be immediately reflected. If you encounter missing types, upgrade the package or report an issue.","severity":"gotcha","affected_versions":"All"},{"fix":"Install boto3 separately: `pip install boto3`.","message":"The package only provides type annotations; it does not include runtime implementations. Ensure boto3 is installed and imported normally.","severity":"gotcha","affected_versions":"All"}],"env_vars":null,"search_vec":"'1.43.0':34,39 'alongsid':52 'annot':6 'auto':44 'auto-gener':43 'boto3':3,8,17,25,37,53,57 'builder':18 'cadenc':51 'check':22 'client':28 'correspond':35 'function':11,27 'generat':13,45 'hint':63 'model':30 'mypi':16,60 'mypy-boto3-builder':15 'packag':41 'pagin':32 'provid':19 'regular':50 'releas':47 'servic':12,29,40,54 'sfn':9,38 'static':20 'step':10,26 'stepfunct':4,58 'stub':59 'support':23 'type':2,5,21,56,62 'type-hint':61 'types-boto3-stepfunctions':1 'updat':55 'version':33","created_at":"2026-05-09T05:55:25.849418+00:00","updated_at":"2026-05-09T05:55:25.849418+00:00","problems":{"verify_error":"Traceback (most recent call last):\n  File \"<string>\", line 1, in <module>\n  File \"/tmp/tmpf6zy32ed/venv/lib/python3.12/site-packages/types_boto3_stepfunctions/__init__.py\", line 33, in <module>\n    from .client import SFNClient\n  File \"/tmp/tmpf6zy32ed/venv/lib/python3.12/site-packages/types_boto3_s"},"ecosystem":"pypi","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":"","cli_version":null,"type":"library","homepage":null,"github":"https://github.com/youtype/mypy_boto3_builder","docs":"https://youtype.github.io/types_boto3_docs/types_boto3_stepfunctions/","changelog":null,"pypi":"https://pypi.org/project/types-boto3-stepfunctions/","npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["type-stubs","aws"],"base_url":null,"auth_type":null,"provenance":{"verified_status":"import_fail","verified_at":"2026-07-03","last_verified":"2026-07-03","next_check":"2026-07-10","install_tag":null}}