[pre-commit.ci] pre-commit autoupdate (#1538)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/pre-commit/mirrors-prettier: v2.5.0 → v2.5.1](pre-commit/mirrors-prettier@v2.5.0...v2.5.1)
- [github.com/pre-commit/mirrors-eslint: v8.3.0 → v8.4.0](pre-commit/mirrors-eslint@v8.3.0...v8.4.0)
- [github.com/psf/black: 21.11b1 → 21.12b0](psf/black@21.11b1...21.12b0)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -28,20 +28,20 @@ repos:
     -   id: rst-backticks
     -   id: rst-directive-colons
 -   repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v2.5.0
+    rev: v2.5.1
     hooks:
     -   id: prettier
         types_or: [javascript, css]
 -   repo: https://github.com/pre-commit/mirrors-eslint
-    rev: v8.3.0
+    rev: v8.4.0
     hooks:
     -   id: eslint
         files: \.js?$
         types: [file]
         args:
         - --fix
 -   repo: https://github.com/psf/black
-    rev: 21.11b1
+    rev: 21.12b0
     hooks:
     -   id: black
         language_version: python3

debug_toolbar/panels/cache.py

@@ -148,7 +148,6 @@ def __getitem__(self, alias):
             actual_cache = super().__getitem__(alias)
             return CacheStatTracker(actual_cache)
 
-
 else:
 
     class CacheHandlerPatch(CacheHandler):