Update tradingagents/graph/portfolio_analysis.py

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

tradingagents/graph/portfolio_analysis.py

@@ -125,8 +125,9 @@ class PortfolioAnalyzer:
         try:
             return self.deep_thinking_llm.invoke(messages).content
         except Exception as e:
+            import traceback
             return (
-                f"Portfolio summary generation failed: {e}\n"
+                f"Portfolio summary generation failed: {e}\n{traceback.format_exc()}\n"
                 f"Individual signals were: "
                 + ", ".join(f"{t}: {r['signal']}" for t, r in individual_results.items())
             )