Cedric Zhuang

Thanks a lot! Took me half a day to resolve this issue.

This error looks strange. These classes live in the same package. I check the code of spark 2.4.0, `ShuffleInMemorySorter` is a class with package-level visibility. We should be able to...

I am having the same issue. In our project, we are using the same bean and use `view` to control the properties exported for different API. For `json`, it works...

How do you plan to pass in the weight for each item?

Yes, it checks the compatibility for python 2.7.

Some of the machines are still using python2. The default python of my cloud VM is also python2. So I think we'd better make the lib compatible with python2.

`wrap` is not a method of `StatckDataFrame`. It's a package function. Please try: ```python from stockstats import wrap stock = wrap(df) ```

Yes, thanks for the reminder.

Thanks, 有空考虑加上……

Looks like there are some format issues in the code. I change the column name to lower case because the calculation of some indicators requires specific columns like 'close' or...