refactor: remove redundant None check before isinstance in _resolve_tools

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: jsonbailey

packages/sdk/server-ai/src/ldai/client.py

@@ -83,10 +83,9 @@ def _resolve_tools(variation: Dict[str, Any]) -> Optional[Dict[str, LDTool]]:
     if not isinstance(parameters, dict):
         return None
     tools_data = parameters.get('tools')
-    if tools_data is None:
-        return None
     if not isinstance(tools_data, dict):
-        log.warning('Skipping model.parameters.tools: expected a dict, got %s', type(tools_data).__name__)
+        if tools_data is not None:
+            log.warning('Skipping model.parameters.tools: expected a dict, got %s', type(tools_data).__name__)
         return None
 
     return _parse_tools(tools_data)