Skip sequence index checks on types that do not resolve to an Instance or a

Class.

This avoids a crash on types that do not implement getattr, such as
UnboundMethod.

1 files changed, 1 insertions, 1 deletions

diff --git a/checkers/typecheck.py b/checkers/typecheck.py
index 1869d5f..6a06b81 100644
--- a/checkers/typecheck.py
+++ b/checkers/typecheck.py
@@ -543,7 +543,7 @@ accessed. Python regular expressions are accepted.'}
 
         parent_type = safe_infer(node.parent.value)
         
-        if not parent_type:
+        if not isinstance(parent_type, (astroid.Class, astroid.Instance)):
             return
 
         # Determine what method on the parent this index will use