Explicitly check for `ast.Name`

pre_commit_hooks/check_builtin_literals.py

diff --git a/pre_commit_hooks/check_builtin_literals.py b/pre_commit_hooks/check_builtin_literals.py
index c4ac969..b7f0c00 100644
--- a/pre_commit_hooks/check_builtin_literals.py
+++ b/pre_commit_hooks/check_builtin_literals.py
@@ -30,7 +30,7 @@
         return self.allow_dict_kwargs and (getattr(node, 'kwargs', None) or getattr(node, 'keywords', None))
 
     def visit_Call(self, node):
-        if isinstance(node.func, ast.Attribute):
+        if not isinstance(node.func, ast.Name):
             # Ignore functions that are object attributes (`foo.bar()`).
             # Assume that if the user calls `builtins.list()`, they know what
             # they're doing.

tests/check_builtin_literals_test.py

diff --git a/tests/check_builtin_literals_test.py b/tests/check_builtin_literals_test.py
index 13f896a..5ab162e 100644
--- a/tests/check_builtin_literals_test.py
+++ b/tests/check_builtin_literals_test.py
@@ -16,6 +16,8 @@
 @pytest.mark.parametrize(
     ('expression', 'calls'),
     [
+        # see #285
+        ('x[0]()', []),
         # complex
         ("0j", []),
         ("complex()", [BuiltinTypeCall('complex', 1, 0)]),