def _get_node_revs(self, path, last=None, first=None):
        node = self.get_node(path, last)
        revs = []
        for (p, r, chg) in node.get_history():
            if p != path or (first and r < first):
                break
            revs.append(r)
        return revs
Tidy the stack_trace
dataset/ETHPy150Open edgewall/trac/tracopt/versioncontrol/svn/svn_fs.py/SubversionRepository._get_node_revs--crossover with--dataset/ETHPy150Open MongoEngine/flask-mongoengine/flask_mongoengine/operation_tracker.py/_tidy_stacktrace