Add typing and uniformize the checker registering in Pylinter (#5558)

Remove verbose docstring in code, keep them in example and doc

Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/pylint/extensions/overlapping_exceptions.py b/pylint/extensions/overlapping_exceptions.py
index 470582b68..ef6afefea 100644
--- a/pylint/extensions/overlapping_exceptions.py
+++ b/pylint/extensions/overlapping_exceptions.py
@@ -3,7 +3,7 @@
 
 """Looks for overlapping exceptions."""
 
-from typing import Any, List, Tuple
+from typing import TYPE_CHECKING, Any, List, Tuple
 
 import astroid
 from astroid import nodes
@@ -12,6 +12,9 @@ from pylint import checkers, interfaces
 from pylint.checkers import utils
 from pylint.checkers.exceptions import _annotated_unpack_infer
 
+if TYPE_CHECKING:
+    from pylint.lint import PyLinter
+
 
 class OverlappingExceptionsChecker(checkers.BaseChecker):
     """Checks for two or more exceptions in the same exception handler
@@ -81,6 +84,5 @@ class OverlappingExceptionsChecker(checkers.BaseChecker):
                 handled_in_clause += [(part, exc)]
 
 
-def register(linter):
-    """Required method to auto register this checker."""
+def register(linter: "PyLinter") -> None:
     linter.register_checker(OverlappingExceptionsChecker(linter))