added exceptiongroup

Author: andrewelamb

setup.cfg

@@ -79,7 +79,7 @@ testing =
     nbmake~=1.3
     pytest-xdist[psutil]~=3.1
     docker~=6.1.3
-    exceptiongroup~=1.0
+    exceptiongroup~=1.0 #Only needed for python3.10
 
 # Dependencies for development (used by Pipenv)
 dev =