bug in metric calculation

datasets/mask_librosa_datamodule.py

@@ -0,0 +1,19 @@
+from datasets.compare_base import CompareBase
+from ml_lib.utils.tools import add_argparse_args
+
+
+class MaskLibrosaDatamodule(CompareBase):
+
+    class_names = ['mask', 'clear']
+    sub_dataset_name = 'ComParE2020_Mask'
+
+    def __init__(self, *args, **kwargs):
+        super(MaskLibrosaDatamodule, self).__init__(*args, **kwargs)
+
+    @classmethod
+    def add_argparse_args(cls, parent_parser):
+        return add_argparse_args(CompareBase, parent_parser)
+
+    @classmethod
+    def from_argparse_args(cls, args, **kwargs):
+        return CompareBase.from_argparse_args(args, class_names=cls.class_names, sub_dataset_name=cls.sub_dataset_name)