Move coverage config to pyproject.toml

Author: Secrus

.coveragerc

@@ -37,6 +37,11 @@ known_third_party = ["pytest"]
 strict = true
 files = "crashtest, tests"
 
+[tool.coverage.report]
+exclude_lines = [
+  "raise NotImplementedError",
+]
+
 [build-system]
 requires = ["poetry-core>=1.0.0a5"]
 build-backend = "poetry.core.masonry.api"