Add pytest to build dependencies
Add pytest to build dependencies

PhonologicalCorpusTools/PyAnnotationGraph,samihuc/PolyglotDB,PhonologicalCorpusTools/PolyglotDB,PhonologicalCorpusTools/PolyglotDB,MontrealCorpusTools/PolyglotDB,PhonologicalCorpusTools/PyAnnotationGraph,samihuc/PolyglotDB,MontrealCorpusTools/PolyglotDB