Does not work with methods
```nim
import nimpy


type
  My* = ref object of RootObj
    xx: string


proc myHelp*(my: My): string {.exportpy.} =
  return "mine"

  
method mmyHelp*(my: My): string {.base,exportpy.} =
  return "mine"
```
`
ttt.nim(13, 1) Error: Expected one of {nnkProcDef, nnkIteratorDef, nnkFuncDef}, got nnkMethodDef
`