# A monorepo-shaped coverage fixture: `b` (scanned at src/) depends on a neighbor
# package `a` through a sys.path entry a conftest adds — the same shape an editable
# path dep (`[tool.uv.sources] a = { path = "../a", editable = true }`) resolves to,
# where the real source tree sits outside site-packages. coverage.py's default
# "measure everything not stdlib or third-party" picks `a` up, so without scoping the
# run to the scanned path, `a`'s uncovered branches drag `b` below a 100 floor.
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