1 files changed, 10 insertions, 2 deletions
diff --git a/examples/custom_raw.py b/examples/custom_raw.py
index 5f747869f..045f22ff4 100644
--- a/examples/custom_raw.py
+++ b/examples/custom_raw.py
@@ -1,8 +1,13 @@
+from typing import TYPE_CHECKING
+
 from astroid import nodes
 
 from pylint.checkers import BaseChecker
 from pylint.interfaces import IRawChecker
 
+if TYPE_CHECKING:
+    from pylint.lint import PyLinter
+
 
 class MyRawChecker(BaseChecker):
     """check for line continuations with '\' instead of using triple
@@ -35,6 +40,9 @@ class MyRawChecker(BaseChecker):
                     self.add_message("backslash-line-continuation", line=lineno)
 
 
-def register(linter):
-    """required method to auto register this checker"""
+def register(linter: "PyLinter") -> None:
+    """This required method auto registers the checker during initialization.
+
+    :param linter: The linter to register the checker to.
+    """
     linter.register_checker(MyRawChecker(linter))