Ignore deques (can't retrieve special methods).

1 files changed, 6 insertions, 1 deletions

diff --git a/checkers/base.py b/checkers/base.py
index afe6fd2..db5f2cc 100644
--- a/checkers/base.py
+++ b/checkers/base.py
@@ -724,7 +724,12 @@ functions, methods
                             break
                     else:
                         break
-                else:                 
+                else:             
+                    # check if it is a .deque. It doesn't seem that
+                    # we can retrieve special methods 
+                    # from C implemented constructs    
+                    if argument._proxied.qname().endswith(".deque"):
+                        return
                     self.add_message('bad-reversed-sequence', node=node)
             elif not isinstance(argument, (astroid.List, astroid.Tuple)):
                 # everything else is not a proper sequence for reversed()