Do not scope the iterating contexts to builtins

This caused issues detecting that `OrderedDict` and similar non-builtin
predefined iterable consumers where not in fact in an *iterating* context.

Close #3075

1 files changed, 1 insertions, 2 deletions

diff --git a/pylint/checkers/python3.py b/pylint/checkers/python3.py
index e6bd0f38e..b8f848d4e 100644
--- a/pylint/checkers/python3.py
+++ b/pylint/checkers/python3.py
@@ -113,8 +113,7 @@ def _in_iterating_context(node):
     # value.
     elif isinstance(parent, astroid.Call):
         if isinstance(parent.func, astroid.Name):
-            parent_scope = parent.func.lookup(parent.func.name)[0]
-            if _is_builtin(parent_scope) and parent.func.name in _ACCEPTS_ITERATOR:
+            if parent.func.name in _ACCEPTS_ITERATOR:
                 return True
         elif isinstance(parent.func, astroid.Attribute):
             if parent.func.attrname in ATTRIBUTES_ACCEPTS_ITERATOR: