TypeError: init() missing 1 required positional argument: ‘driver’ 1. 2. 提示丢失了一个初始化的参数。 部分代码如下: class BasePage: def __init__(self,driver): self.driver=driver class LoginPage(BasePage): ... #按照教材上定义这个方法时时没有加self的: #def test_user_login(driver,usern...
>>> person.selfIntro() Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: person.selfIntro() missing 1 required positional argument: 'self' >>> Li = person("Li") >>> Li.selfIntro() my Name is Li >>> 1. 2. 3. 4. 5. 6. 7. 8. 9. 10...
classDog:def__init__(self, name): self.name = name self.tricks = []# creates a new empty list for each dogdefadd_trick(self, trick): self.tricks.append(trick)>>>d = Dog('Fido')>>>e = Dog('Buddy')>>>d.add_trick('roll over')>>>e.add_trick('play dead')>>>d.tricks [...
进行数据库迁移的时候,显示 TypeError: __init__() missing 1 required positional argument: 'on_delete' 图示: 出现原因: 在django2.0后,定义外键和一对一关系的时候需要加on_delete选项,此参数为了避免两个表里的数据不一致问题,不然会报错: TypeError:__init__() missing 1 required positional argument:'on...
SOLVED: Function error resolved for missing positional argument 'url' in get(), Self Argument Missing in Get_absolute_url() Function, Missing one positional argument 'url' in initialize() leads to TypeError, Tips to resolve the 'missing 1 required positi
classMyClass:"""A simple example class"""i=12345deff(self):return'hello world' 类中定义了一个属性 i 和一个方法 f。那么我们可以通过 MyClass.i和MyClass.f 来访问他们。 注意,Python中没有像java中的private,public这一种变量访问范围控制。你可以把Python class中的变量和方法都看做是public的。
line 178, in send for receiver in self._live_receivers(sender) File "/var/www/brownpapersession/dev/env/lib/python3.5/site-packages/django/dispatch/dispatcher.py", line 178, in <listcomp> for receiver in self._live_receivers(sender) <lambda>() missing 1 required positional argument: 'envi...
TypeError: get() missing 1 required positional argument: 'index1' Copied! Text.get() requires at least one argument. Calling .get() with a single index returns a single character. To retrieve several characters, you need to pass a start index and an end index. Indices in Text widgets...
TypeError: init() missing 1 required positional argument: 's1b' possible solution: class Profile: #def init(self, pointer, matrix,s1b): def init(self, pointer, matrix): self.pointer = pointer self.matrix_ = matrix self.as_parameter = pointer #self.s1b = s1b is it right?Activity...
self.gender = "male" self.weight = 0 self.brand = "xxx" def eat(self): print("站着吃") def sleep(self): print("趴着睡") 2、类对象的创建及使用 A=className() 类对象支持两种操作:属性引用和方法引用 标准语法:obj.name 针对上文动物类的对象创建及使用: ...