Update src/megatron/bridge/peft/canonical_lora.py

cuichenx · claude[bot] · web-flow · commit a0f112a19cca · 2026-04-29T17:12:58.000-07:00
Co-authored-by: claude[bot] &lt;209825114+claude[bot]@users.noreply.github.com&gt;
Signed-off-by: Chen Cui &lt;cxcui@alumni.cmu.edu&gt;
diff --git a/src/megatron/bridge/peft/canonical_lora.py b/src/megatron/bridge/peft/canonical_lora.py
@@ -277,7 +277,7 @@ def _init_target_match_state(self) -> None:
         self._alias_to_pattern.clear()
         self._alias_matches.clear()
 
-        for target in self.target_modules:
+        for target in self.target_modules or []:
             assert not target.endswith("linear_qkv"), (
                 "Canonical LoRA does not support target 'linear_qkv'. Either use 'linear_qkv' with LoRA() or "
                 "use ['linear_q', 'linear_k', 'linear_v'] with Canonical LoRA"
