fix: cwl-tes and typing-extensions version conflict (#126)

Author: uniqueg

requirements.txt

@@ -63,7 +63,7 @@ subprocess32==3.5.2
 swagger-spec-validator==2.3.1
 typed-ast==1.1.0
 typing==3.6.6
-typing-extensions==3.6.5
+typing-extensions==3.7.4
 urllib3==1.24.2
 vine==1.1.4
 Werkzeug==0.15.3