Less strict pylint

pyproject.toml

@@ -99,7 +99,7 @@
     # <https://docs.pylint.org/en/1.6.0/features.html>
     # <https://docs.pylint.org/en/1.6.0/faq.html>
     # Also, run "pylint --generate-rcfile" to see all applied pylint opts.
-    fail-under = "9.0"
+    fail-under = "8.0"
     good-names = ["i", "j", "n", "x", "y", "df", "db", "dt", "g0"]
     # Default value for the rgx below: "[a-z_][a-z0-9_]{2,30}$"
     attr-rgx = "[a-z_][a-z0-9_]{1,30}$"