Merge pull request #3234 from AI-Hypercomputer:gpt-fix-2

PiperOrigin-RevId: 874726042

Author: Google-ML-Automation

src/maxtext/integration/tunix/weight_mapping/gpt_oss.py

@@ -80,7 +80,7 @@ def to_hf_mapping(
         target_indices = range(start, start + layers_per_block)
 
       regex_indices = "|".join(map(str, target_indices))
-      layer_regex = f"layers\.({regex_indices})"
+      layer_regex = rf"layers\.({regex_indices})"
 
       # --- 3. Block Mappings (Standard) ---
       mapping.update(