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Unexpected "error: Slice index must be an integer or None"
bug
mypy got something wrong
false-positive
mypy gave an error on correct code
feature
needs discussion
priority-0-high
#2410
opened Nov 7, 2016 by
sametmax
stubgen & pybind11: can we make them play nice(r)?
bug
mypy got something wrong
topic-stubgen
#16306
opened Oct 21, 2023 by
rwgk
cached runs of dmypy stop reporting "unused type: ignore" warnings
bug
mypy got something wrong
topic-daemon
dmypy
topic-type-ignore
# type: ignore comments
#9655
opened Oct 28, 2020 by
rggjan
Decorated function makes type-check fail if done inside of method from the class
bug
mypy got something wrong
#9266
opened Aug 5, 2020 by
fabioz
mypy can't infer type for functools.reduce
bug
mypy got something wrong
false-positive
mypy gave an error on correct code
priority-1-normal
topic-type-variables
#4673
opened Mar 2, 2018 by
kamahen
New semantic analyzer: Namespace package with __init__.py breaks analysis
bug
mypy got something wrong
false-positive
mypy gave an error on correct code
needs discussion
semantic-analyzer
Problems that happen during semantic analysis
topic-usability
#7029
opened Jun 20, 2019 by
fireundubh
Type[T] -> T has a strange behaviour
bug
mypy got something wrong
priority-1-normal
topic-type-form
TypeForm might fix this
topic-usability
#9003
opened Jun 15, 2020 by
ltworf
Disallow mypy got something wrong
priority-2-low
topic-pep-484
type[NoReturn]
bug
#11291
opened Oct 7, 2021 by
DetachHead
mypy Type error for a class with an imported metaclass
bug
mypy got something wrong
false-positive
mypy gave an error on correct code
priority-1-normal
topic-metaclasses
#9185
opened Jul 21, 2020 by
seanp2
List[<nothing>] error
bug
mypy got something wrong
false-positive
mypy gave an error on correct code
priority-1-normal
topic-type-context
Type context / bidirectional inference
topic-usability
#3283
opened Apr 29, 2017 by
jcrmatos
Mypy incorrectly warns when passing literals as kwarg keywords
bug
mypy got something wrong
#10023
opened Feb 4, 2021 by
nipunn1313
Regression: mypy thinks line is unreachable in 0.780 upwards, while (correctly) not showing a warning in 0.770 and below
bug
mypy got something wrong
topic-reachability
Detecting unreachable code
topic-type-narrowing
Conditional type narrowing / binder
#9457
opened Sep 18, 2020 by
rggjan
type[Any]
not considered Hashable
bug
#11470
opened Nov 5, 2021 by
KotlinIsland
Honor return type of mypy got something wrong
__new__
even if not a subclass
bug
#15182
opened May 4, 2023 by
oscarbenjamin
NoReturn return type with singledispatch causing weird errors
bug
mypy got something wrong
#11727
opened Dec 13, 2021 by
JukkaL
"Already defined" + "not defined" errors with SQLAlchemy 1.2 hybrid_property
bug
mypy got something wrong
topic-descriptors
Properties, class vs. instance attributes
#4430
opened Jan 5, 2018 by
Deimos
TypeVar incompatible with constrained union
bug
mypy got something wrong
#9424
opened Sep 6, 2020 by
NeilGirdhar
0.981 Introduces unnecessary build requirements
bug
mypy got something wrong
#14171
opened Nov 23, 2022 by
dvzrv
Generic type inferred wrong; curious difference betweer mypy got something wrong
topic-type-context
Type context / bidirectional inference
aiter(f(x))
and c = f(x); aiter(c)
bug
#16376
opened Oct 31, 2023 by
sliedes
Unpacking an iterable in a list comprehension leads to the type inferred as list[Any]
bug
mypy got something wrong
good-second-issue
#15747
opened Jul 22, 2023 by
hvenev
callables are inferred to be descriptors when they shouldn't always be, protocols are inferred to not be descriptors when maybe they should, and mypy converts between them with no error
bug
mypy got something wrong
#15189
opened May 5, 2023 by
glyph
TypeGuard on self does not narrow associated TypeVars
bug
mypy got something wrong
#14425
opened Jan 10, 2023 by
JosiahKane
Reject bound covariant type variable in an argument type
bug
mypy got something wrong
priority-1-normal
topic-type-variables
#734
opened Aug 9, 2015 by
JukkaL
--disallow-untyped-calls allows calling values with Any type
bug
mypy got something wrong
priority-0-high
topic-usability
#5968
opened Nov 28, 2018 by
JukkaL
Implicit type aliases not recognised with PEP 604 + import cycles
bug
mypy got something wrong
priority-0-high
topic-pep-604
PEP 604 (union | operator)
topic-type-alias
TypeAlias and other type alias issues
#11887
opened Jan 2, 2022 by
AlexWaygood
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