fix: broken isort in docker build (#85)

As per issue #83 build of a fresh checkout fails.

This PR increases the isort version to resolve the issue.

Co-authored-by: Daniel Ciborowski <[email protected]>

Author: davet2001

.pre-commit-config.yaml

@@ -18,7 +18,7 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/PyCQA/isort
-    rev: 5.10.1
+    rev: 5.12.0
     hooks:
       - id: isort
         args: ["-a", "from __future__ import annotations"]