Identify mismatched keys in "event_model.EventModelValidationError: These sets of keys must match:"

[jklynch]

It would be nice if this error message included a list of the mismatched keys:

File "/opt/bluesky_workers/suitcase_worker.py", line 107, in event
event = descriptor_bundle.compose_event(**new_doc)
File "/opt/conda_envs/analysis-2019-3.0-rsoxs/lib/python3.7/site-packages/event_model/init.py", line 1293, in compose_event
data.keys(), timestamps.keys(), descriptor['data_keys'].keys()))
event_model.EventModelValidationError: These sets of keys must match:
event['data'].keys(): dict_keys(['Wide Angle CCD Detector_cam_acquire_time', 'Wide Angle CCD Detector_cam_bin_x', 'Wide Angle CCD Detector_cam_bin_y', 'Wide Angle CCD Detector_cam_min_x', 'Wide Angle CCD Detector_cam_min_y', 'Wide Angle CCD Detector_cam_model', 'Wide Angle CCD Detector_cam_shutter_close_delay', 'Wide Angle CCD Detector_cam_shutter_open_delay', 'Wide Angle CCD Detector_cam_temperature', 'Wide Angle CCD Detector_cam_temperature_actual', 'Wide Angle CCD Detector_cam_trigger_mode', 'Wide Angle CCD Detector_cam_adc_speed', 'Wide Angle CCD Detector_cam_hot_side_temp', 'Wide Angle CCD Detector_cam_sync', 'Wide Angle CCD Detector_image', 'Wide Angle CCD Detector_stats1_total'])
event['timestamps'].keys(): dict_keys(['Wide Angle CCD Detector_cam_acquire_time', 'Wide Angle CCD Detector_cam_bin_x', 'Wide Angle CCD Detector_cam_bin_y', 'Wide Angle CCD Detector_cam_min_x', 'Wide Angle CCD Detector_cam_min_y', 'Wide Angle CCD Detector_cam_model', 'Wide Angle CCD Detector_cam_shutter_close_delay', 'Wide Angle CCD Detector_cam_shutter_open_delay', 'Wide Angle CCD Detector_cam_temperature', 'Wide Angle CCD Detector_cam_temperature_actual', 'Wide Angle CCD Detector_cam_trigger_mode', 'Wide Angle CCD Detector_cam_adc_speed', 'Wide Angle CCD Detector_cam_hot_side_temp', 'Wide Angle CCD Detector_cam_sync', 'Wide Angle CCD Detector_image', 'Wide Angle CCD Detector_stats1_total'])
descriptor['data_keys'].keys(): dict_keys(['Wide Angle CCD Detector_cam_acquire_time', 'Wide Angle CCD Detector_cam_bin_x', 'Wide Angle CCD Detector_cam_bin_y', 'Wide Angle CCD Detector_cam_min_x', 'Wide Angle CCD Detector_cam_min_y', 'Wide Angle CCD Detector_cam_model', 'Wide Angle CCD Detector_cam_shutter_close_delay', 'Wide Angle CCD Detector_cam_shutter_open_delay', 'Wide Angle CCD Detector_cam_temperature', 'Wide Angle CCD Detector_cam_temperature_actual', 'Wide Angle CCD Detector_cam_trigger_mode', 'Wide Angle CCD Detector_cam_adc_speed', 'Wide Angle CCD Detector_cam_hot_side_temp', 'Wide Angle CCD Detector_cam_sync', 'Wide Angle CCD Detector_image', 'Wide Angle CCD Detector_stats1_total', 'Wide Angle CCD Detector_image_is_background_subtracted'])