text: from .core import datatypes, errors, filehandlers
  from . import (foamparser,
                 pvx,
                 spectral,
                 xcorr
                 )
  from . import utils
  from . import processing
  from . import plotting
  
  __all__ = ["datatypes", "errors", "filehandlers", "plotting", "foamparser",
             "pvx",  "spectral", "xcorr", "utils",
             "processing"]
  