mypy-boto3-lex-models
Type annotations for boto3 LexModelBuildingService 1.43.3 service generated with mypy-boto3-builder 8.12.0
Decision gist · record as of 2026-08-14
Yes—if you use boto3's LexModelBuildingService and want IDE support or static type checking. Install friction is minimal, maintenance is active, and the MIT license carries no restrictions. The only caveat is PyCharm performance with Literal overloads; if you hit that, the docs suggest switching to boto3-stubs-lite or using mypy/pyright instead.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.9 or later; boto3 must be installed separately in your environment.
- Low friction—a pure-Python wheel with only typing-extensions as a runtime dependency.
- Actively maintained with recent commits and stable status.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution with minimal restrictions.
last release 2026-05-04 (102 days) · last repo commit 2026-06-22 · 670 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 252,196 downloads/mo, #8,554 on PyPI
Alternatives
Verify before relying
pip install mypy-boto3-lex-models
from boto3.session import Session
from mypy_boto3_lex_models import LexModelBuildingServiceClient
client: LexModelBuildingServiceClient = Session().client("lex-models")
# Type checking and IDE completion now work on client calls- Whether performance issues in PyCharm with Literal overloads (mentioned in docs) persist in current versions.
- Exact scope of type coverage for all LexModelBuildingService operations and edge cases.
What it is and what it does
This package is a type-stub library that adds static type information to boto3's LexModelBuildingService client. It enables IDEs (VSCode, PyCharm, Emacs, Sublime Text) and type checkers (mypy, pyright) to understand boto3 API calls, providing autocomplete suggestions and catching type errors at development time rather than runtime.
The stubs are generated automatically from boto3 1.43.3 using mypy-boto3-builder and cover client operations, paginators, and type definitions. Installation is optional for production—you can use TYPE_CHECKING guards to keep it as a dev-only dependency. The package supports Python 3.9 through 3.14 and has no external dependencies beyond typing-extensions.
Use it for
- Enable IDE autocomplete and inline documentation for LexModelBuildingService API calls in VSCode or PyCharm.
- Catch type mismatches in boto3 lex-models code during development with mypy or pyright.
- Add explicit type annotations to functions that accept or return LexModelBuildingServiceClient instances.
- Support paginator type hints for operations like GetBots, GetBotVersions, and GetBotAliases.
- Use as a dev-only dependency via TYPE_CHECKING to avoid runtime overhead in production code.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes—if you use boto3's LexModelBuildingService and want IDE support or static type checking.
Install friction is minimal, maintenance is active, and the MIT license carries no restrictions. The only caveat is PyCharm performance with Literal overloads; if you hit that, the docs suggest switching to boto3-stubs-lite or using mypy/pyright instead.
Install
mypy-boto3-lex-models on PyPI
Before you install
Low friction—a pure-Python wheel with only typing-extensions as a runtime dependency. Actively maintained with recent commits and stable status.
Requires Python 3.9 or later; boto3 must be installed separately in your environment.
License in practice
MIT license permits unrestricted use, modification, and distribution with minimal restrictions.
Quickstart
pip install mypy-boto3-lex-models
from boto3.session import Session
from mypy_boto3_lex_models import LexModelBuildingServiceClient
client: LexModelBuildingServiceClient = Session().client("lex-models")
# Type checking and IDE completion now work on client callsVerify before relying
- Whether performance issues in PyCharm with Literal overloads (mentioned in docs) persist in current versions.
- Exact scope of type coverage for all LexModelBuildingService operations and edge cases.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagetyping-extensions |
| Maintenance | Actively maintained 102 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 252,196 / month, #8,554 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableEnvironment :: ConsoleIntended Audience :: DevelopersNatural Language :: EnglishOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonTyping :: Stubs Only |
Evidence: mypy_boto3_lex_models-1.43.3-py3-none-any.whl
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See also mypy-boto3-ec2 · mypy-boto3-fsx · mypy-boto3-athena · mypy-boto3-dataexchange · mypy-boto3-lex-runtime · mypy-boto3-lexv2-runtime · mypy-boto3-iot · mypy-boto3-sagemaker · mypy-boto3-config · mypy-boto3-lexv2-models