MNT: Add flake8 to pre-commit, run prettier

Author: effigies

.pre-commit-config.yaml

@@ -1,17 +1,17 @@
-exclude: '.*/data/.*'
+exclude: ".*/data/.*"
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.1.0
     hooks:
-    -   id: trailing-whitespace
-    -   id: end-of-file-fixer
-    -   id: check-yaml
-    -   id: check-json
-    -   id: check-toml
-    -   id: check-added-large-files
-    -   id: check-case-conflict
-    -   id: check-merge-conflict
-    -   id: check-vcs-permalinks
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-json
+      - id: check-toml
+      - id: check-added-large-files
+      - id: check-case-conflict
+      - id: check-merge-conflict
+      - id: check-vcs-permalinks
   - repo: https://github.com/grantjenks/blue
     rev: v0.9.1
     hooks:
@@ -20,3 +20,8 @@ repos:
     rev: 5.11.2
     hooks:
       - id: isort
+  - repo: https://github.com/pycqa/flake8
+    rev: 6.0.0
+    hooks:
+      - id: flake8
+        exclude: "^(doc|nisext|tools)/"