update

ctc_eval.py

@@ -83,6 +83,13 @@ class CTC_Eval(evaluate.EvaluationModule):
         # TODO: Download external resources if needed
         import nltk
         nltk.download('stopwords')
+        import subprocess
+        import sys
+
+        def install(package):
+            subprocess.check_call([sys.executable, "-m", "pip", "install", package])
+        
+        install('ctc-score')
         from ctc_score import StyleTransferScorer, SummarizationScorer, DialogScorer
         self.scorer = SummarizationScorer(align='D-cnndm')