use correct ruff command and add ignore unused imports

Signed-off-by: E3E <ntanzill@purdue.edu>

Author: NicholasTanz

pyproject.toml

@@ -83,6 +83,10 @@ line-length=80
 [tool.ruff.lint]
 ignore = ["D400","D415","D213","D205","D202","D107","D407","D413","D212","D104","D406","D105","D411","D401","D200","D203"]
 
+[tool.ruff.lint.per-file-ignores] 
+"tuf/repository/__init__.py" = ["F401"]
+"tuf/api/exceptions.py" = ["F401"]
+
 # Pylint section
 
 # Minimal pylint configuration file for Secure Systems Lab Python Style Guide:

tox.ini

@@ -47,7 +47,7 @@ deps =
     --editable {toxinidir}
 lint_dirs = tuf examples tests verify_release
 commands =
-    ruff  --check  --diff {[testenv:lint]lint_dirs}
+    ruff check  --diff {[testenv:lint]lint_dirs}
     pylint -j 0 --rcfile=pyproject.toml {[testenv:lint]lint_dirs}
 
     mypy {[testenv:lint]lint_dirs}