code: def conditions_list(self, conkey):
          
          L = []
          keys = [k for k in self.conditions if k.startswith(conkey)]  # sloppy
          if not keys:
              raise KeyError(conkey)
          for k in keys:
              if self.conditions[k] is None:
                  continue
              raw = self.conditions[k]
              L.append(raw)
  
          return L
docs: Return a (possibly empty) list of conditions based on
          conkey. The conditions are returned raw, not parsed.
  
          conkey: str
              for cond<n>, startcond<n> or stopcond<n>, specify only the
              prefix. The list will be filled with all conditions.