code: def __init__(self):
      self._stream = None
  
imports: import struct
  from avro.io import AvroTypeException, BinaryDecoder, BinaryEncoder, DatumReader, DatumWriter, SchemaResolutionException, Validate
label_desc: Use image node_id 1 to create a new FlinkAvroBufferWrapper object from inherited base classes: object with example: obj = FlinkAvroBufferWrapper()