Global variable is undefined at the module level

[Ned Batchelder]

On Tuesday, September 13, 2016 at 6:42:56 AM UTC-4, Daiyue Weng wrote:
> Hi, I defined a global variable in some function like this,
> 
> def some_function(self):
> 
>      global global_var
> 
> PyCharm inspection gave me,
> 
> Global variable is undefined at the module level
> 
> How to fix this?

It probably wants you to have a line at the top-level of the module (outside of any function) defining the variable:

    global_var = None   # or some other default value

--Ned.