diff --git a/tests/data/cases/annotations.py b/tests/data/cases/annotations.py
new file mode 100644
index 0000000..4d7af3d
--- /dev/null
+++ b/tests/data/cases/annotations.py
@@ -0,0 +1,17 @@
+# regression test for #1765
+class Foo:
+    def foo(self):
+        if True:
+            content_ids: Mapping[
+                str, Optional[ContentId]
+            ] = self.publisher_content_store.store_config_contents(files)
+
+# output
+
+# regression test for #1765
+class Foo:
+    def foo(self):
+        if True:
+            content_ids: Mapping[str, Optional[ContentId]] = (
+                self.publisher_content_store.store_config_contents(files)
+            )
\ No newline at end of file