code: def get_atom_coltype(self, kind=None):
          
          if kind is None:
              kind = self.kind
          if self.kind.startswith('uint'):
              col_name = "UInt{name}Col".format(name=kind[4:])
          else:
              col_name = "{name}Col".format(name=kind.capitalize())
  
          return getattr(_tables(), col_name)
docs: return the PyTables column class for this column