pyprojekt.toml unbennannt

pyproject.toml

@@ -3,4 +3,7 @@ name = "matrixmania"
 version = "0.1.0"
 dependencies = ["tabulate", "ruff"]
 [project.optional-dependencies]
-dev = ["pytest", "ruff", "pytest-cov"]
+dev = ["pytest", "ruff", "pytest-cov"]
+
+[tool.pytest.ini_options]
+pythonpath = "src"