code: def release(self):
      if hasattr(self, "sink"):
          self.sink.close()
          delattr(self, "sink")
  
file_path: TimeSide/timeside/core/aubio_encoder.py
imports: import aubio
  import numpy
  from timeside.core import Processor, implements, interfacedoc, abstract
  from timeside.core.api import IEncoder
label_desc: Use image node_id 3 for calling the AubioEncoder obj's underlying member method code with example usage: obj.release() without return types