diff --git a/__init__.py b/__init__.py
new file mode 100644
index 000000000..45323abef
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,3 @@
+raise Exception(
+    "You imported 'sglang' from the git repo root directory 'sglang', which is incorrect. You should import it from 'sglang/python/sglang'. Please do not run your scripts adjacent to the git repo root directory."
+)