[pre-commit] isort needs specific setup to point to pyproject.toml

.pre-commit-config.yaml

@@ -5,6 +5,7 @@ repos:
     rev: 5.9.3
     hooks:
       - id: isort
+        args: [--settings-path, "pyproject.toml"]
   - repo: https://github.com/psf/black
     rev: 21.7b0
     hooks: