update black version in pre-commit

As inidicated in psf/black#420 the mutable tag is not appropriate, so we change to pin a fixed version tag. Additionally, we remove the black version dependency from blacken-docs, and add blacken-docs to the requirements-dev.txt file.
widdowquinn · Jun 22, 2021 · 553bc64 · 553bc64
1 parent 28f47d8
commit 553bc64
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/requirements-dev.txt b/requirements-dev.txt
@@ -1,5 +1,6 @@
 bandit
 black
+blacken-docs
 codecov
 coverage
 doc8