bug fix

qa_discourse.py

@@ -133,7 +133,7 @@ class QaDiscourse(datasets.GeneratorBasedBuilder):
         """ Yields QA-Discourse examples from a tsv file."""
 
         # merge annotations from sections 
-        df = pd.concat([pd.read_csv(fn, separator='\t') for fn in filepaths]).reset_index()
+        df = pd.concat([pd.read_csv(fn, sep='\t') for fn in filepaths]).reset_index()
         for counter, row in df.iterrows():
             # Prepare question (3 "slots" and question mark)
             question = [row.question_start, row.question_aux, row.question_body.str.rstrip('?'), '?']