app.py:5: error: Argument 1 to "say_hi" has incompatible type "int"; expected "str" Found 1 error in 1 file (checked 1 source file) 该错误指示 的参数是 ,而预期类型是say_hi``int``str 如果将参数改回字符串并再次运行,它将显示一条成功消息:mypy Success: no issues found in 1 source ...
py:2: error: Incompatible types in assignment (expression has type "int", variable has type "str") Found 1 error in 1 file (checked 1 source file) 通常不需要为变量指定一个类型,因为静态类型检查器可以基于变量的值推断它的类型。以下示例中,name 的值时一个字符串常量,因此静态类型检查器推断它...
AI检测代码解析 app.py:2: error: Incompatible types in assignment (expression has type "int", variable has type "str") Found 1 error in 1 file (checked 1 source file) 1. 2. 支持多种类型的类型提示 以下add() 函数返回了两个数字的求和: AI检测代码解析 def add(x, y): return x + y ...
transform(None)# if arg would be type hinted as str the type linter could warn that this is an invalid call 虽然在这个例子中,有些人可能会认为很容易看到参数类型不匹配,但在更复杂的情况中,这种不匹配越来越难以看到。例如嵌套函数调用: defconstruct(param=None): returnNoneif paramisNoneelse'' de...
t1.py:7: error: Incompatible return value type (got “str”, expected “T”) Found 1 error in 1 file (checked 1 source file) 如上,我们创建了一个泛型:T,代表任何类型的数据。在后续定义的myfun中,参数var的类型为T(也就是任何类型都可以),而后函数的返回类型也是T,但此时,返回的类型T的实际类型...
少了冒号>>> if rocket.position > event_horizon File "<stdin>", line 1 if rocket.position > event_horizon ^SyntaxError: expected ':'元组少了括号>>> {x,y for x,y in zip('abcd', '1234')} File "<stdin>", line 1 {x,y for x,y in zip('abcd', '1234')} ^Syn...
For these cases, Python type hinting providesstub files. These are extra files, named the same as the module they are stubbing, which contain the type hints. For example, imagine we have a simple function in a module with a filename ofgreeting.py: ...
Incompatible typesinassignment (expression hastype"float", variable hastype"int") Found1errorin1file (checked1source file) 如果没有问题,类型检查器不输出任何内容,如果有问题,则输出错误消息。在这个example.py文件中,第 171 行有一个问题,因为一个名为spam的变量有一个类型提示int,但是却被赋予了一个floa...
一个最简单的带annotation(type hint)的函数定义: 1 2 defgreeting(name:str)->str: return"Hello"+name 一个最简单的stub file: 1 defgreeting(name:str)->str: ... 4.后缀为.pyi的stub存根文件的作用: 当没有存根文件,同时在函数定义的时候不加annotation的情况: ...
(venv)$mypyemail_parser.pyemail_parser.py:6: error: Incompatible return value type⮑ (got "tuple[str, str]", expected "str | None") [return-value]Found 1 error in 1 file (checked 1 source file) This message indicates that your function returns a tuple with two strings instead of ...