docs: def mols_from_text(text, no_halt=True, assign_descriptors=True):
      """Returns molecules generated from sdfile text
  
      Throws:
          StopIteration: if the text does not have molecule
          ValueError: if Unsupported symbol is found
      """
      if isinstance(text, bytes):
          t = tx.decode(text)
      else:
          t = text
      # Lazy line splitter. More efficient memory usage than str.split.
      exp = re.compile(r"[^\n]*\n|.")
      sp = (x.group(0) for x in re.finditer(exp, t))
      for c in mol_supplier(sp, no_halt, assign_descriptors):
          yield c