'NoneType' object has no attribute 'run'

'NoneType' object has no attribute 'run' 是一个错误信息，它表示在一个NoneType对象上调用了一个不存在的属性'run'。在Python中，NoneType是一个特殊的类型，表示空对象或空值。当我们尝试在一个NoneType对象上调用一个不存在的属性时，就会出现这个错误。

相关问题

nonetype object has no attribute run_keyword

This error message typically occurs in the context of test automation frameworks such as Robot Framework or Selenium when trying to execute a keyword that does not exist or has not been defined properly.

To resolve this error, ensure that the keyword you are trying to execute is defined and imported correctly in your test case or test suite. You can also try restarting your automation framework or checking for any syntax errors in your code.

E AttributeError: 'NoneType' object has no attribute 'run_notebook'

AttributeError: 'NoneType' object has no attribute 'run_notebook'是指在运行Jupyter Notebook时，出现了一个名为'run_notebook'的属性错误。通常这个错误是由于代码中的某个变量或对象没有被正确地初始化或赋值导致的。可能的原因包括变量名拼写错误、对象未被正确实例化或未正确导入所需的模块等。

解决这个问题的方法包括检查代码中的变量名拼写、确保对象被正确实例化、确保所需的模块已被正确导入等。