fix imports

Author: lhoestq

setup.py

@@ -155,7 +155,7 @@
     "langdetect",
     "mauve-text",
     "nltk",
-    # "rouge_score",  # also required by bigbench
+    "rouge_score",
     "sacrebleu",
     "sacremoses",
     "scikit-learn",

tests/test_metric_common.py

@@ -189,6 +189,7 @@ def predict(self, data, *args, **kwargs):
             yield
 
 
+@pytest.mark.metrics_catalog
 def test_seqeval_raises_when_incorrect_scheme():
     metric = load_metric(os.path.join("metrics", "seqeval"))
     wrong_scheme = "ERROR"