{"id":3647,"library":"mypy-boto3-networkflowmonitor","title":"mypy-boto3-networkflowmonitor Type Stubs","description":"mypy-boto3-networkflowmonitor provides precise type annotations for the `boto3` client and resources related to the AWS NetworkFlowMonitor service. It ensures that `boto3` interactions are type-checked by tools like `mypy`, preventing common runtime errors. The current version is `1.42.3`, and new versions are frequently released in sync with `boto3`/`botocore` updates and `mypy-boto3-builder` enhancements.","status":"active","version":"1.42.3","language":"en","source_language":"en","source_url":"https://github.com/youtype/mypy_boto3_builder","tags":["boto3","aws","mypy","type-stubs","networkflowmonitor","typing"],"install":[{"cmd":"pip install mypy-boto3-networkflowmonitor boto3 mypy","lang":"bash","label":"Install with boto3 and mypy"}],"dependencies":[{"reason":"Provides the runtime functionality that these type stubs annotate. Stubs are generated for specific boto3 versions, so keep them synchronized.","package":"boto3","optional":false},{"reason":"Required for static type checking using these stubs. Other type checkers might also work, but mypy is the primary target.","package":"mypy","optional":true}],"imports":[{"note":"The client stub is imported directly from the `mypy_boto3_networkflowmonitor` package, not from `boto3`.","wrong":"from boto3.client import NetworkFlowMonitorClient","symbol":"NetworkFlowMonitorClient","correct":"from mypy_boto3_networkflowmonitor import NetworkFlowMonitorClient"},{"note":"Specific type definitions (e.g., for method outputs or input parameters) are found in the `type_defs` submodule.","wrong":"from boto3.networkflowmonitor.type_defs import ListNetworkFlowMonitorsOutputTypeDef","symbol":"ListNetworkFlowMonitorsOutputTypeDef","correct":"from mypy_boto3_networkflowmonitor.type_defs import ListNetworkFlowMonitorsOutputTypeDef"}],"quickstart":{"code":"import boto3\nfrom mypy_boto3_networkflowmonitor import NetworkFlowMonitorClient\nfrom typing import TYPE_CHECKING\n\n# Only import TypeDefs if you need them for specific annotations\nif TYPE_CHECKING:\n    from mypy_boto3_networkflowmonitor.type_defs import (\n        ListNetworkFlowMonitorsOutputTypeDef,\n    )\n\ndef list_monitors():\n    # Instantiate the boto3 client, annotated with the stub type\n    client: NetworkFlowMonitorClient = boto3.client(\"network-flow-monitor\")\n\n    # The 'response' object will now have type hints based on the stub\n    # For a real scenario, you might add error handling.\n    response = client.list_network_flow_monitors()\n\n    print(f\"Found {len(response['NetworkFlowMonitorList'])} network flow monitors:\")\n    for monitor in response['NetworkFlowMonitorList']:\n        print(f\"  - ARN: {monitor['NetworkFlowMonitorArn']}, Status: {monitor['Status']}\")\n\nif __name__ == \"__main__\":\n    # Ensure AWS credentials are configured for boto3\n    # (e.g., via AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, or ~/.aws/credentials)\n    list_monitors()\n","lang":"python","description":"This quickstart demonstrates how to initialize a `boto3` client for NetworkFlowMonitor and use the type stubs for improved static analysis with `mypy`. After installing, run this code (ensure AWS credentials are set up for `boto3`) and then run `mypy your_script_name.py` to see the type checking in action."},"warnings":[{"fix":"Upgrade your Python environment to version 3.9 or higher.","message":"Support for Python 3.8 has been removed from `mypy-boto3-builder` versions 8.12.0 and later, which affects all generated service stubs including `mypy-boto3-networkflowmonitor`.","severity":"breaking","affected_versions":"mypy-boto3-builder >= 8.12.0 and corresponding `mypy-boto3-*` stub packages"},{"fix":"Install `mypy` (e.g., `pip install mypy`) and integrate it into your development workflow, typically by running `mypy your_script.py` or configuring it in your `pyproject.toml`.","message":"These type stubs require `mypy` (or another compatible type checker) to be installed and configured in your project to provide type checking benefits. Without `mypy`, they serve no runtime purpose.","severity":"gotcha","affected_versions":"All versions"},{"fix":"Ensure your `boto3` and `mypy-boto3-networkflowmonitor` packages are kept as synchronized as possible. The `mypy-boto3-builder` attempts to manage compatible dependency versions, but manual verification might be needed.","message":"Type stubs are generated for specific `boto3`/`botocore` versions. Mismatching versions between your installed `boto3` and `mypy-boto3-networkflowmonitor` can lead to incorrect or missing type hints.","severity":"gotcha","affected_versions":"All versions"},{"fix":"Ensure your packaging and type checking tools are up-to-date. No specific action is usually required, but be aware if you encounter unexpected packaging issues.","message":"The `mypy-boto3` ecosystem migrated to PEP 561-compliant packages. While this generally improves compatibility with type checkers and build tools, it might subtly affect very old or custom build environments.","severity":"gotcha","affected_versions":"mypy-boto3-builder >= 8.12.0 and corresponding `mypy-boto3-*` stub packages"}],"env_vars":null,"last_verified":"2026-04-11T00:00:00.000Z","next_check":"2026-07-10T00:00:00.000Z"}