code: def decompile(self, data, otFont):
      self.cff.decompile(BytesIO(data), otFont, isCFF2=True)
      assert (
          len(self.cff) == 1
      ), "can't deal with multi-font CFF tables."
  
imports: from io import BytesIO
  from fontTools.ttLib.tables.C_F_F_ import table_C_F_F_
label_desc: Use image node_id 1 for calling the table_C_F_F__2 obj's underlying member method code with example usage: obj.decompile(data, otFont) without return types