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PyCharm indicates wrong type for lambda #928

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michaeloliverx opened this issue Aug 28, 2020 · 3 comments
Closed

PyCharm indicates wrong type for lambda #928

michaeloliverx opened this issue Aug 28, 2020 · 3 comments
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@lk-geimfari
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bug Unexpected behaviour and bugs

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@michaeloliverx
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Bug report

What's wrong

While using PyCharm, lambda type in Schema results in Expected type 'FunctionType', got '() -> Dict[str, Union[str, Any]]' instead
Screenshot 2020-08-28 at 07 59 37

How is that should be

Is this warning correct? The code runs perfectly fine but maybe the Type maybe be wrong here. On this SO post they mentioned using the from typing import Callable for type hinting a lambda.

System information

❯ python3 --version
Python 3.8.5

❯ sw_vers
ProductName:	macOS
ProductVersion:	11.0
BuildVersion:	20A5354i

PyCharm 2020.2.1
@lk-geimfari
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lk-geimfari commented Aug 28, 2020 •
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I've noticed this behavior too. I think this happens since one of the last releases of mypy. We can use Callable.

@lk-geimfari lk-geimfari self-assigned this Aug 28, 2020
@lk-geimfari lk-geimfari added the bug Unexpected behaviour and bugs label Aug 28, 2020
@lk-geimfari
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If you have free time then you can create a PR, of course.

lk-geimfari added a commit that referenced this issue Aug 28, 2020
@lk-geimfari
Fix #928
a8e412a
@michaeloliverx
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Sorry I didn't get time, I see you have started now :)
Maybe next time !

lk-geimfari added a commit that referenced this issue Aug 29, 2020
@lk-geimfari
Fix typing issues (#931)
5e288ed 
* Fix #928

* Fix type for schema

* Add setup.py to mypy ignore

* Add alias SchemaType
lk-geimfari added a commit that referenced this issue Sep 7, 2020
@lk-geimfari
Fix typing issue (#933)
ed27dda 
* Fix #928

* Fix type for schema

* Add setup.py to mypy ignore

* Add alias SchemaType

* Add thanks for JetBrains
lk-geimfari added a commit that referenced this issue Nov 14, 2020
@lk-geimfari
Develop (#970)
2bf0cfb 
* Fix #928

* Fix type for schema

* Add setup.py to mypy ignore

* Add alias SchemaType

* Add thanks for JetBrains

* Fix #968
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@lk-geimfari @michaeloliverx