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Issues: python/mypy

Announcement issue for plugin API changes
#6617 opened Apr 3, 2019 by msullivan
Open 15
Python 3.13 tracking issue
#17264 opened May 18, 2024 by hauntsaninja
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Issues list

Doesn't recognize all uses of super bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal
#857 opened Aug 21, 2015 by agentydragon
4
Allow type aliases be used as variables bug mypy got something wrong false-positive mypy gave an error on correct code priority-2-low
#327 opened Jul 25, 2014 by JukkaL
2
Conditonally define module after initialization to None false-positive mypy gave an error on correct code feature priority-1-normal
#1106 opened Jan 8, 2016 by JukkaL
1
Complaint about @staticmethod outside a class false-positive mypy gave an error on correct code feature priority-2-low
#1006 opened Nov 25, 2015 by gvanrossum
3
type: ignore required when storing attribute to a function false-positive mypy gave an error on correct code needs discussion priority-1-normal
#1170 opened Jan 27, 2016 by timabbott
2
Unsupported operand types using += with floats initialized to 0 (not 0.0) false-positive mypy gave an error on correct code needs discussion priority-2-low
#1193 opened Jan 29, 2016 by timabbott
5
@overload is required when using @dispatch bug mypy got something wrong false-positive mypy gave an error on correct code
#3853 opened Aug 21, 2017 by orenbenkiki
1
lambda: (yield) causes spurious errors bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal
#3551 opened Jun 15, 2017 by ambv
1
Error on cyclic import from package hidden in a function bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-import-cycles
#2418 opened Nov 8, 2016 by lopuhin
1
isinstance(x, Type) not accepted bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-runtime-semantics mypy doesn't model runtime semantics correctly topic-type-narrowing Conditional type narrowing / binder topic-usability
#3060 opened Mar 27, 2017 by JukkaL
6
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
14
mypy reports unexpected errors in the statement "result = list(map(abspath, x))" bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-type-variables
#2389 opened Nov 2, 2016 by eikooo
3
from .x import y causes "Name already defined" for x bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal
#3735 opened Jul 18, 2017 by douglas-treadwell
3
Can't pass a value of type Union[str, bytes] to a generic function typed with AnyStr bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-union-types
#1533 opened May 15, 2016 by gvanrossum
2
Allow yielding result of function that returns None bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal
#1933 opened Jul 23, 2016 by gvanrossum
6
Inferring an optional type when first initializer uses non-optional type false-positive mypy gave an error on correct code feature needs discussion priority-0-high topic-inference When to infer types or require explicit annotations
#1735 opened Jun 22, 2016 by JukkaL
6
Strange behavior when superclass is an unknown argument bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-inheritance Inheritance and incompatible overrides
#1069 opened Dec 11, 2015 by gvanrossum
4
Suggest using Protocol when user tries to use keyword args with Callable false-positive mypy gave an error on correct code priority-1-normal topic-usability
#1655 opened Jun 5, 2016 by ArgentFalcon
10
Cannot infer type of generic subclass within a function call bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal topic-type-variables
#2044 opened Aug 23, 2016 by Michael0x2a
2
Binder should reason about complex expressions false-positive mypy gave an error on correct code feature priority-1-normal topic-type-narrowing Conditional type narrowing / binder
#2199 opened Sep 30, 2016 by gvanrossum
7
Apparent false positive when using reduce with dictionaries bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal
#4150 opened Oct 23, 2017 by edwardcwang
3
binder is too optimistic about refining attribute types in methods false-positive mypy gave an error on correct code feature needs discussion priority-1-normal topic-literal-types
#4168 opened Oct 27, 2017 by carljm
11
Adding variable annotation causes incompatible type when Optional and TypeVars are used bug mypy got something wrong false-positive mypy gave an error on correct code priority-1-normal
#4554 opened Feb 8, 2018 by euresti
1
Inheritance + if/elif/else chain of isinstance() doesn't constrain type as expected bug mypy got something wrong false-positive mypy gave an error on correct code priority-2-low topic-union-types
#4864 opened Apr 6, 2018 by osandov
2
generic class attributes with unions become object on subclasses bug mypy got something wrong false-positive mypy gave an error on correct code needs discussion priority-1-normal topic-inheritance Inheritance and incompatible overrides topic-type-variables
#4834 opened Apr 2, 2018 by chadrik
3
ProTip! Adding no:label will show everything without a label.