fix(3d-model): Correct UnboundLocalError

models/model_3d_generator.py

@@ -76,21 +76,6 @@ class Hunyuan3DGenerator:
             logger.info("🚀 Starting Hunyuan3D model loading and setup...")
             
             try:
-                # Download model repository if not already present
-                logger.info(f"📥 Downloading Hunyuan3D repository from {self.model_id}...")
-                self.model_path = snapshot_download(
-                    repo_id=self.model_id,
-                    repo_type="space",
-                    cache_dir="./models/hunyuan3d_cache"
-                )
-                logger.info(f"✅ Model repository downloaded to: {self.model_path}")
-                
-                # List the contents of the downloaded directory for debugging
-                logger.info(f"🔍 Listing contents of {self.model_path}...")
-                run_setup_command(['ls', '-R'], cwd=self.model_path)
-
-                # --- Installation and Compilation ---
-                logger.info("🔧 Running Hunyuan3D setup scripts with detailed logging...")
                 import subprocess
                 import sys
                 import os
@@ -116,6 +101,22 @@ class Hunyuan3DGenerator:
                         logger.error(f"STDERR:\n{e.stderr}")
                         raise  # Re-raise the exception to halt execution and see the error
 
+                # Download model repository if not already present
+                logger.info(f"📥 Downloading Hunyuan3D repository from {self.model_id}...")
+                self.model_path = snapshot_download(
+                    repo_id=self.model_id,
+                    repo_type="space",
+                    cache_dir="./models/hunyuan3d_cache"
+                )
+                logger.info(f"✅ Model repository downloaded to: {self.model_path}")
+                
+                # List the contents of the downloaded directory for debugging
+                logger.info(f"🔍 Listing contents of {self.model_path}...")
+                run_setup_command(['ls', '-R'], cwd=self.model_path)
+
+                # --- Installation and Compilation ---
+                logger.info("🔧 Running Hunyuan3D setup scripts with detailed logging...")
+
                 # 1. Install requirements from the model's specific requirements file
                 requirements_path = os.path.join(self.model_path, 'requirements_hunyuan3d.txt')
                 if os.path.exists(requirements_path):