fix: clarify import path setup for CuTeDSL

tests/test_cutedsl.py

@@ -14,11 +14,15 @@ import os
 import math
 import torch
 
-# Add CuTeDSL examples to path
+# Add CuTeDSL examples to path — must be run from the examples directory
+# so that 'from blackwell.kernel.moe.xxx' imports work
 CUTLASS_ROOT = os.environ.get("CUTLASS_ROOT", "/root/cutlass")
 CUTEDSL_EXAMPLES = os.path.join(CUTLASS_ROOT, "examples/python/CuTeDSL")
 sys.path.insert(0, CUTEDSL_EXAMPLES)
 
+# The imports below use 'from blackwell.kernel...' which resolves
+# relative to CUTEDSL_EXAMPLES/cute/ (where the blackwell/ package lives)
+
 import cutlass
 import cutlass.cute as cute
 import cutlass.torch as cutlass_torch