Stub files Stub files Mypy uses stub files stored in thetypeshed repository to determinethe types of standard library and third-party library functions, classes,and other defi...
Check that import target can be found [import] Check that import target can be found [import] Mypy generates an error if it can’t find the source code or a stub filefor an impo...
Operations on Any values Operations on Any values You can do anything using a value with type Any , and type checkerdoes not complain: def f ( x : Any ) -> int : ...
Check dict items [dict-item] Check dict items [dict-item] When constructing a dictionary using {key: value, …} or dict(key=value, …) ,mypy checks that each key and value is co...
Check arguments in calls [call-arg] Check arguments in calls [call-arg] Mypy expects that the number and names of arguments match the called function.Note that argument type ch...
Defining a metaclass Defining a metaclass class M ( type ): pass class A ( metaclass = M ): pass In Python 2, the syntax for defining a metaclass is dif...
Linting Python in Visual Studio Code Enable linters Disable linting Run linting General linting settings Specific linters Pylint Default Pylint rules Command-line arguments a...
Configuring warnings Configuring warnings For more information, see the Configuring warnings section of the command line docs. warn_redundant_casts (bool, default False) War...
Class types Class types Every class is also a valid type. Any instance of a subclass is alsocompatible with all superclasses – it follows that every value is compatiblewith the...
Explicit types for collections Explicit types for collections The type checker cannot always infer the type of a list or adictionary. This often arises when creating an empty l...