fix warnings

Author: ocefpaf

pyproject.toml

@@ -19,13 +19,13 @@ color = true
 ignore_missing_imports = true
 
 [tool.ruff]
-select = [
+lint.select = [
     "F", # flakes
     "I", # import sorting
     "U", # upgrade
 ]
 target-version = "py37"
 line-length = 120
 
-[tool.ruff.per-file-ignores]
+[lint.per-file-ignores]
 "docs/conf.py" = ["E402"]