project = gl.projects.get('...')all_pipelines = project.pipelines.list(as_list=False)pipelines = itertools.islice(all_pipelines, search_limit)print(pipelines[0].duration)

KeyError                                  Traceback (most recent call last)~/.virtualenvs/taf/lib/python3.7/site-packages/gitlab/base.py in __getattr__(self, name)     55         try:---> 56             return self.__dict__['_updated_attrs'][name]     57         except KeyError:KeyError: 'duration'During handling of the above exception, another exception occurred:KeyError                                  Traceback (most recent call last)~/.virtualenvs/taf/lib/python3.7/site-packages/gitlab/base.py in __getattr__(self, name)     58             try:---> 59                 value = self.__dict__['_attrs'][name]     60KeyError: 'duration'During handling of the above exception, another exception occurred:KeyError                                  Traceback (most recent call last)~/.virtualenvs/taf/lib/python3.7/site-packages/gitlab/base.py in __getattr__(self, name)     78                 try:---> 79                     return self.__dict__['_parent_attrs'][name]     80                 except KeyError:KeyError: 'duration'During handling of the above exception, another exception occurred:AttributeError                            Traceback (most recent call last)<ipython-input-25-919ee3634190> in <module>----> 1 gather_data(proj, 200, branch_name='master')~/taf/taf.tools.pipeline_duration/app.py in gather_data(project, search_limit, branch_name, passed_only)     40     return durations~/.virtualenvs/taf/lib/python3.7/site-packages/gitlab/base.py in __getattr__(self, name)     79                     return self.__dict__['_parent_attrs'][name]     80                 except KeyError:---> 81                     raise AttributeError(name)     82     83     def __setattr__(self, name, value):AttributeError: duration