Blacken docs

.pre-commit-config.yaml

@@ -14,6 +14,13 @@ repos:
         files: \.pyi?$
         types: []
 
+  - repo: https://github.com/asottile/blacken-docs
+    rev: v1.9.1
+    hooks:
+      - id: blacken-docs
+        args: ["--target-version", "py36"]
+        additional_dependencies: [black==20.8b1]
+
   - repo: https://github.com/PyCQA/isort
     rev: 5.6.4
     hooks:
@@ -31,7 +38,7 @@ repos:
       - id: python-check-blanket-noqa
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.3.0
+    rev: v3.4.0
     hooks:
       - id: check-merge-conflict
       - id: check-yaml