@Nullable public static NumPyDocString forFunction(@NotNull PyFunction function,@Nullable PsiElement reference){
  return forFunction(function,reference,null);
}

@ Nullable public static NumPyDocString forFunction ( @ NotNull PyFunction function , @ Nullable PsiElement reference ) { return forFunction ( function , reference , null ) ; }
returns numpydocstring object confirming to numpy - style formatted docstring of specified function .
