hmmm sets
diff --git a/src/buildstream/_pipeline.py b/src/buildstream/_pipeline.py
index aee0c55..7c480ab 100644
--- a/src/buildstream/_pipeline.py
+++ b/src/buildstream/_pipeline.py
@@ -186,7 +186,8 @@
def dependencies(self, targets, scope, *, recurse=True):
# Keep track of 'visited' in this scope, so that all targets
# share the same context.
- visited = (BitMap(), BitMap())
+ # visited = (BitMap(), BitMap())
+ visited = set(), set()
for target in targets:
for element in target.dependencies(scope, recurse=recurse, visited=visited):
diff --git a/src/buildstream/element.py b/src/buildstream/element.py
index ee6b90c..6f484e6 100644
--- a/src/buildstream/element.py
+++ b/src/buildstream/element.py
@@ -499,7 +499,8 @@
if visited is None:
# Visited is of the form (Visited for Scope.BUILD, Visited for Scope.RUN)
- visited = (BitMap(), BitMap())
+ # visited = (BitMap(), BitMap())
+ visited = set(), set()
else:
# We have already a visited set passed. we might be able to short-circuit
if scope in (Scope.BUILD, Scope.ALL) and self._unique_id in visited[0]: