build: add nb-clean to pre-commit config and clean config

Author: Prathamesh8989

.git-blame-ignore-revs

@@ -1,7 +1,9 @@
-# Run this command to always ignore formatting commits in `git blame`
-# git config blame.ignoreRevsFile .git-blame-ignore-revs
-
-# Run pre-commit to fix end-of-file-fixer and trailing-whitespace (#3418)
-fe5a29b6942829ff2870181b6c1a68ebd2af9add
-# Fix code style (#3423)
-f9e8ca106a0d3f386f26f3a9481fd2eb341999f0
+# Run this command to always ignore formatting commits in `git blame`
+# git config blame.ignoreRevsFile .git-blame-ignore-revs
+
+# Run pre-commit to fix end-of-file-fixer and trailing-whitespace (#3418)
+fe5a29b6942829ff2870181b6c1a68ebd2af9add
+# Fix code style (#3423)
+f9e8ca106a0d3f386f26f3a9481fd2eb341999f0
+# Add nb-clean to pre-commit config (#3618)
+0c98ba17b275cdf0f02f175c7a89013fbb4a9a24

.pre-commit-config.yaml

@@ -1,5 +1,15 @@
 exclude: "^conda.recipe|assets|docs"
+
 repos:
+  - repo: https://github.com/srstevenson/nb-clean
+    rev: 3.2.0
+    hooks:
+      - id: nb-clean
+        args:
+          - --preserve-cell-outputs
+          - --remove-empty-cells
+        types: [jupyter]
+
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v5.0.0
     hooks: