Traceback (most recent call last):


 "/usr/lib/python3.5/asyncio/tasks.py", line 239, in _step

result = coro.send(None)


 "/servers/redbot/cogs/audio.py", line 2060, in queue_manager

song = await self._play(sid, url)


 "/servers/redbot/cogs/audio.py", line 810, in _play

song = await self._guarantee_downloaded(server, url)


 "/servers/redbot/cogs/audio.py", line 606, in _guarantee_downloaded

self.downloaders[server.id].duration_check()


 "/servers/redbot/cogs/audio.py", line 256, in duration_check

log.debug("duration {} for songid {}".format(self.song.duration,
AttributeError: 'NoneType' object has no attribute 'duration'

Traceback (most recent call last):


 "/usr/lib/python3.5/runpy.py", line 184, in _run_module_as_main

"__main__", mod_spec)


 "/usr/lib/python3.5/runpy.py", line 85, in _run_code

exec(code, run_globals)


 "/opt/src/rastervision/__main__.py", line 17, in <module>

rv.main()


 "/usr/local/lib/python3.5/dist-packages/click/core.py", line 722, in __call__

return self.main(*args, **kwargs)


 "/usr/local/lib/python3.5/dist-packages/click/core.py", line 697, in main

rv = self.invoke(ctx)


 "/usr/local/lib/python3.5/dist-packages/click/core.py", line 1066, in invoke

return _process_result(sub_ctx.command.invoke(sub_ctx))


 "/usr/local/lib/python3.5/dist-packages/click/core.py", line 895, in invoke

return ctx.invoke(self.callback, **ctx.params)


 "/usr/local/lib/python3.5/dist-packages/click/core.py", line 535, in invoke

return callback(*args, **kwargs)


 "/opt/src/rastervision/cli/main.py", line 241, in predict

predictor.predict(image_uri, output_uri, export_config)


 "/opt/src/rastervision/predictor.py", line 144, in predict

scene.prediction_label_store.save(labels)


 "/opt/src/rastervision/data/label_store/semantic_segmentation_raster_store.py", line 90, in save

transform = self.crs_transformer.transform
AttributeError: 'IdentityCRSTransformer' object has no attribute 'transform'
