strip whitespace

.pre-commit-config.yaml

@@ -1,6 +1,12 @@
 repos:
   - repo: local
     hooks:
+      - id: whitespace
+        name: strip whitespace
+        entry: ./strip_whitespace.sh
+        language: system
+        always_run: true
+        pass_filenames: false
       - id: mypy
         name: mypy
         entry: mypy tinygrad/ extra/helpers.py