TypeError: Can't instantiate abstract class Euclidean with abstract methods get_metric, score_pairs

[zongzhesun]

File "C:\Project\Self-Similarity-Grouping-master\reid\metric_learning_init_.py", line 25, in get_metric return __factory[algorithm](*args, **kwargs) TypeError: Can't instantiate abstract class Euclidean with abstract methods get_metric, score_pairs

I meet this question in Self-Similarity-Grouping-master\reid\metric_learning_init_.py line25

[Git-Yxt]

I fix the problem by link , set the environment as follow step scikit-learn==0.20.0 metric-learn==0.4.0