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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def fix_pickle(self):
 """Fix pickling of Coconut header objects."""

        from coconut import __coconut__  # this is expensive, so only do it here
        for var in self.vars:
            if not var.startswith("__") and var in dir(__coconut__):
                self.vars[var] = getattr(__coconut__, var)