class_docstr: A simple default backend that stores the chain in memory
class_docstr_tok: ["A","simple","default","backend","that","stores","the","chain","in","memory"]
code: def __exit__(self, exception_type, exception_value, traceback):
      pass
  
imports: import numpy
  from ..None import autocorr
  from ..state import State
label_desc: Use image node_id 16 for calling the Backend obj's underlying member method code with example usage: obj.__exit__(exception_type, exception_value, traceback) without return types