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J. Nick Koston
c062c1ddbd
Addresses two stylistic notes on the PR: - Move `from ..helpers import lazy_once` to module scope in widgets/__init__.py. helpers.py only depends on esphome and esphome.const, so there's no circular-import risk that would justify the function-local import. Keep the `from ..schemas import base_update_schema` deferred because schemas.py imports WidgetType from this module. - Document that lazy_once is single-threaded and retries build() on exception (no negative-cache), so future callers know the contract if the helper migrates to esphome/core/helpers.py.
