Traceback (most recent call last):
File "./run_metrics.py", line 7, in <module>
gem_metrics.main()
File "/Users/xuechenli/remote/GEM-metrics/gem_metrics/__init__.py", line 543, in main
process_files(config)
File "/Users/xuechenli/remote/GEM-metrics/gem_metrics/__init__.py", line 439, in process_files
refs = References(config.references_file)
File "/Users/xuechenli/remote/GEM-metrics/gem_metrics/texts.py", line 149, in __init__
super().__init__(data_key="target", data=data, language=language)
File "/Users/xuechenli/remote/GEM-metrics/gem_metrics/texts.py", line 39, in __init__
if isinstance(self.all_data[0], str):
KeyError: 0
After cloning repo and installing requirements, running the following given example fails