Revert "Move FrozenSet to node_classes so it is accessible"

This reverts commit 06273cd07d4b3701998df7b2c656d1b029bdee8e.

1 files changed, 15 insertions, 0 deletions

diff --git a/astroid/objects.py b/astroid/objects.py
index f669b9a8..7a873449 100644
--- a/astroid/objects.py
+++ b/astroid/objects.py
@@ -29,6 +29,21 @@ BUILTINS = six.moves.builtins.__name__
 objectmodel = util.lazy_import('interpreter.objectmodel')
 
 
+class FrozenSet(node_classes._BaseContainer):
+    """class representing a FrozenSet composite node"""
+
+    def pytype(self):
+        return '%s.frozenset' % BUILTINS
+
+    def _infer(self, context=None):
+        yield self
+
+    @decorators.cachedproperty
+    def _proxied(self): # pylint: disable=method-hidden
+        builtins = MANAGER.astroid_cache[BUILTINS]
+        return builtins.getattr('frozenset')[0]
+
+
 class Super(node_classes.NodeNG):
     """Proxy class over a super call.