Remove unsupported message codes from pylint

and other minor improvements

pyproject.toml

@@ -73,7 +73,7 @@ doctest_optionflags = [
 addopts = "--doctest-glob='*.rst' --ignore='examples/ffi'"
 
 [tool.pylint.master]
-extension-pkg-whitelist = "numpy"
+extension-pkg-whitelist = ["numpy"]
 
 [tool.pylint."messages control"]
 disable = [
@@ -82,7 +82,6 @@ disable = [
  "invalid-name",
  "redefined-outer-name",
  "redefined-builtin",
- "protected-name",
  "no-else-return",
  "fixme",
  "protected-access",
@@ -91,7 +90,7 @@ disable = [
  "too-few-public-methods",
  "unnecessary-lambda"
 ]
-enable = "c-extension-no-member"
+enable = ["c-extension-no-member"]
 
 [tool.pylint.format]
 indent-string=" "