pin paper-qa

setup.py

@@ -17,7 +17,6 @@
     "ipython",  # for tests
     "textract",  # for TextExtractor non-default method
     "datasets",  # for text.qa.AnswerExtractor.finetune
-    "paper-qa",  # text.qa.generative_qa
     "textblob",  # for text.kw.KeywordExtractor and textutils.extract_noun_phrases
     "sumy",  # text.summarization.core.LexRankSummarizer
     "causalnlp",  # for tabular.causalinference
@@ -63,6 +62,7 @@
         "sentencepiece",  #  Added due to breaking change in transformers>=4.0
         "keras_bert>=0.86.0",  # imported in imports with warning and used in 'ktrain.text' ; support for TF 2.3
         "whoosh",  # imported by text.qa module
+        "paper-qa==2.1.1",  # text.qa.generative_qa
     ],
     extras_require={
         # NOTE: If missing, these libraries below are installed manually on-the-fly when required by an invoked method with appropriate warnings