Method __exit__

IPython/utils/syspathcontext.py:33–40

(self, type, value, traceback)

            self.added = False

    def __exit__(self, type, value, traceback):
        if self.added:
            try:
                sys.path.remove(self.dir)
            except ValueError:
                pass
        # Returning False causes any exceptions to be re-raised.
        return False

class prepended_to_syspath(object):
    """A context for prepending a directory to sys.path for a second."""