void (@NotNull PyClass node) { final String name = node.getName(); if (name == null) return; final String errorCode = "N801"; if (!ignoredErrors.contains(errorCode)) { final boolean isLowercaseContextManagerClass = isContextManager(node) && LOWERCASE_REGEX.matcher(name).matches(); if (!isLowercaseContextManagerClass && !MIXEDCASE_REGEX.matcher(name).matches()) { final ASTNode nameNode = node.getNameNode(); if (nameNode != null) { registerAndAddRenameAndIgnoreErrorQuickFixes(nameNode.getPsi(), errorCode); } } } }