[Python] Python package or implementation for grammar error detection that relies on nltk...

I am looking for a Python approach to detect grammar errors in a given Python text string. Is there an approach (e.g., package / github code) that does not rely on java (e.g., LanguageTool, etc) -- ideally, I would like something that relies on nltk. Is there such a package or code available that I could look at? I know that this is possible with just nltk, and am wondering if someone has already coded up an open source function that I can use? Thanks.

Continue reading...