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Add warn-unreachable to strict mode #19047

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Add warn-unreachable to strict mode #19047

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613d59c
Add warn-unreachable to strict mode
johng Oct 14, 2024
3a052f8
remove caveat about warn-unreachable from --strict documentation, as …
wyattscarpenter May 7, 2025
168683d
get rid of warn_unreachable in mypy_self_check.ini, as it is now redu…
wyattscarpenter May 8, 2025
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3 changes: 0 additions & 3 deletions docs/source/command_line.rst
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Expand Up @@ -754,9 +754,6 @@ of the above sections.
strict will catch type errors as long as intentional methods like type ignore
or casting were not used.)

Note: the :option:`--warn-unreachable` flag
is not automatically enabled by the strict flag.

The strict flag does not take precedence over other strict-related flags.
Directly specifying a flag of alternate behavior will override the
behavior of strict, regardless of the order in which they are passed.
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2 changes: 1 addition & 1 deletion mypy/main.py
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Expand Up @@ -825,7 +825,7 @@ def add_invertible_flag(
add_invertible_flag(
"--warn-unreachable",
default=False,
strict_flag=False,
strict_flag=True,
help="Warn about statements or expressions inferred to be unreachable",
group=lint_group,
)
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4 changes: 0 additions & 4 deletions mypy_self_check.ini
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Expand Up @@ -13,7 +13,3 @@ exclude = mypy/typeshed/|mypyc/test-data/|mypyc/lib-rt/
enable_error_code = ignore-without-code,redundant-expr
enable_incomplete_feature = PreciseTupleTypes
show_error_code_links = True

[mypy-mypy.*]
# TODO: enable for `mypyc` and other files as well
warn_unreachable = True
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