The module "rpy2.robjects.pandas2ri" has no attribute 'ri2py_datefrme' in the version of pyCHNOSZ 0.1.5
the info(infro()) function and the subcrt function cannot be used in the version of pyCHNOSZ 0.1.5.
the info(infro()) function and the subcrt function cannot be used in the version of pyCHNOSZ 0.1.5.