Add some more comments about the limitations of this rule

related to issue #674

1 files changed, 7 insertions, 0 deletions

diff --git a/pylint/checkers/base.py b/pylint/checkers/base.py
index 74e26ac..224c8d6 100644
--- a/pylint/checkers/base.py
+++ b/pylint/checkers/base.py
@@ -1886,6 +1886,13 @@ class MultipleTypesChecker(BaseChecker):
     """Checks for variable type redefinitions (NoneType excepted)
 
     At a function, method, class or module scope
+
+    This rule could be improved:
+    - Currently, if an attribute is set to different types in 2 methods of a
+      same class, it won't be detected (see functional test)
+    - One could improve the support for inference on assignment with tuples,
+      ifexpr, etc. Also it would be great to have support for inference on
+      str.split()
     """
     __implements__ = IAstroidChecker