Add Blue as an optional requirement

akaihola · akaihola · commit 63bdb410561c · 2022-08-28T14:45:44.000Z
diff --git a/constraints-oldest.txt b/constraints-oldest.txt
@@ -6,6 +6,7 @@
 airium==0.2.3
 bandit==1.7.1
 black==21.8b0
+blue==0.8.0
 codespell==2.1.0
 defusedxml==0.7.1
 flake8-2020==1.6.1
diff --git a/setup.cfg b/setup.cfg
@@ -48,6 +48,8 @@ isort =
     isort>=5.0.1
 color =
     Pygments>=2.4.0
+blue =
+    blue>=0.8.0
 test =
     # NOTE: remember to keep `constraints-oldest.txt` in sync with these
     airium>=0.2.3
