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Bad circular imports are not rejected
feature
priority-2-low
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#61
opened Jan 27, 2013 by
ashleyh
x = x or y
with x undeclared gives no error
bug
#937
opened Oct 15, 2015 by
jhance
mypy infers the wrong type for classmethods
bug
mypy got something wrong
topic-descriptors
Properties, class vs. instance attributes
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#3482
opened Jun 1, 2017 by
carljm
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
Unions with invalid arguments are still allowed
bug
mypy got something wrong
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#3258
opened Apr 26, 2017 by
refi64
defining self.__call__ makes the class callable when it isn't
bug
mypy got something wrong
priority-1-normal
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#2113
opened Sep 8, 2016 by
euresti
Return inside class inside function should be an error
bug
mypy got something wrong
priority-2-low
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#1683
opened Jun 9, 2016 by
gvanrossum
Inconsistency with NewType
topic-newtype
NewType
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#4990
opened May 2, 2018 by
gvanrossum
Disallow locally-generated types from escaping their function
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
topic-variable-scope
#4690
opened Mar 7, 2018 by
msullivan
Using not yet defined variables is allowed
bug
mypy got something wrong
priority-2-low
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
topic-variable-scope
#2788
opened Feb 1, 2017 by
afrieder
Check keyword arguments in class definitions
feature
priority-2-low
topic-metaclasses
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#2653
opened Jan 7, 2017 by
JelleZijlstra
Using annotated global/nonlocal variables is allowed
bug
mypy got something wrong
priority-1-normal
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#2789
opened Feb 1, 2017 by
afrieder
Wrong warning when assigning __str__
bug
mypy got something wrong
topic-descriptors
Properties, class vs. instance attributes
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#3951
opened Sep 13, 2017 by
nicoulaj
Mypy doesn't recognize mypy got something wrong
false-positive
mypy gave an error on correct code
priority-1-normal
size-small
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
__loader__
global in Python 3.6
bug
#4182
opened Oct 31, 2017 by
rowillia
Class variable gets the type of instance variable
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
topic-variable-scope
#4886
opened Apr 11, 2018 by
roganov
Should we always prohibit "abstract" attributes?
needs discussion
topic-protocols
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#4426
opened Jan 3, 2018 by
ilevkivskyi
False negative involving null checks on optional types
bug
mypy got something wrong
priority-0-high
topic-reachability
Detecting unreachable code
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#5423
opened Aug 6, 2018 by
person594
No error when attempting to use property object as that property's type
priority-2-low
topic-descriptors
Properties, class vs. instance attributes
topic-named-tuple
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#6192
opened Jan 15, 2019 by
andy-hanson
isinstance(x, Tuple) fails when equivalent expressions don't
bug
mypy got something wrong
false-positive
mypy gave an error on correct code
priority-2-low
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#6680
opened Apr 16, 2019 by
lbenezriravin
Exception variable can leak to other scopes causing strange error messages
priority-2-low
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
topic-usability
topic-variable-scope
#6647
opened Apr 8, 2019 by
ilevkivskyi
mypy fails to recognize functions as generators when mypy got something wrong
priority-1-normal
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
sys.platform
is used in conditions
bug
#5678
opened Sep 26, 2018 by
marcinsulikowski
deleting a class-scoped variable that shadows a global variable causes mypy to think it's undefined
bug
mypy got something wrong
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
topic-variable-scope
#9600
opened Oct 15, 2020 by
glyph
Cannot access custom property of union type
bug
mypy got something wrong
false-positive
mypy gave an error on correct code
priority-1-normal
topic-descriptors
Properties, class vs. instance attributes
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
topic-union-types
#9053
opened Jun 26, 2020 by
nielsbuwen
Allow method assignment in body of type extending typing.NamedTuple
bug
mypy got something wrong
priority-2-low
topic-named-tuple
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
#8543
opened Mar 15, 2020 by
asottile
Mypy issue with python scoping rule
bug
mypy got something wrong
priority-1-normal
topic-runtime-semantics
mypy doesn't model runtime semantics correctly
topic-variable-scope
#8746
opened Apr 29, 2020 by
h8hawk
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