fix readme

app.py

@@ -72,18 +72,27 @@ base_model:
     
     # Add any original YAML fields except base_model
     if original_yaml_header:
-        skip_next_line = False
+        in_base_model_section = False
         for line in original_yaml_header.strip().split('\n'):
-            if skip_next_line:
-                skip_next_line = False
-                continue
+            # Skip if we're in a base_model section that continues to the next line
+            if in_base_model_section:
+                if line.strip().startswith('-') or not line.strip() or line.startswith(' '):
+                    continue
+                else:
+                    in_base_model_section = False
+            
+            # Check for base_model field
             if line.strip().startswith('base_model:'):
-                skip_next_line = True
+                in_base_model_section = True
+                # If base_model has inline value (like "base_model: model_name")
+                if ':' in line and len(line.split(':', 1)[1].strip()) > 0:
+                    in_base_model_section = False
                 continue
+                
             yaml_header += f"\n{line}"
     # Complete the YAML header
     yaml_header += "\n---"
-    
+
     # Create the quantization info section
     quant_info = f"""
 # {model_name} (Quantized)