Add check pdb as pre-commit hook

Avoid commits with pdb.set_trace() statements

.pre-commit-config.yaml

@@ -11,3 +11,7 @@ repos:
     rev: 4.0.1
     hooks:
       - id: flake8
+  - repo: https://github.com/conorfalvey/check_pdb_hook
+    rev: 0.0.9
+    hooks:
+    -   id: check_pdb_hook