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pypy / CrypticErrorMessages

RPython is not a general purpose programming language, and so not every error message from is that useful in finding the fault. This page serves to document any cryptic error messages and what they actually mean.

  • AttributeError: DictRepr instance has no attribute ll_str

Cause: Either str(dict) or print dict

Example code:

def main(x):
  print {}
  return 0

def target(*args):
    return (main, None)