From ace0e2d083ff2f3c095275b8e3dfdb3b7cfed7a4 Mon Sep 17 00:00:00 2001
From: Ted Kaemming <65315+tkaemming@users.noreply.github.com>
Date: Wed, 16 Oct 2024 15:14:01 -0700
Subject: [PATCH] discriminate none

---
 posthog/hogql/test/test_resolver.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/posthog/hogql/test/test_resolver.py b/posthog/hogql/test/test_resolver.py
index 3b4c4e4801be6..bcb459939fc4a 100644
--- a/posthog/hogql/test/test_resolver.py
+++ b/posthog/hogql/test/test_resolver.py
@@ -595,7 +595,7 @@ def test_interval_type_arithmetic_and_datetime_comparison(self):
         """)
         node = cast(ast.SelectQuery, resolve_types(node, self.context, dialect="clickhouse"))
 
-        assert isinstance(node.where.type, ast.CallType)
+        assert node.where is not None and isinstance(node.where.type, ast.CallType)
         for arg_type in node.where.type.arg_types:
             assert arg_type == ast.BooleanType(nullable=False)