Add code coverage exclude_lines config

https://coverage.readthedocs.io/en/latest/config.html#sample-filehttps://coverage.readthedocs.io/en/latest/config.html#sample-file

pyproject.toml

@@ -7,6 +7,17 @@ markers = [
     "sandbox_test: fake integration tests",
 ]
 
+[tool.coverage.report]
+exclude_also = [
+    "def __repr__",
+    "pragma: no cover",
+    "if __name__ == .__main__.:",
+    "if (typing\\.)?TYPE_CHECKING:",
+    "@(typing\\.)?overload",
+    "@(abc\\.)?abstractmethod",
+    "raise NotImplementedError",
+]
+
 [tool.coverage.run]
 branch = true