fixup: Address CoPilot comments

Author: trend-willem-gooderham

nemoguardrails/library/trend_micro/actions.py

@@ -68,5 +68,8 @@ async def trend_ai_guard(text: Optional[str] = None):
             log.debug("Trend Micro AI Guard Result: %s", guard_result)
         except Exception as e:
             log.error("Error calling Trend Micro AI Guard API: %s", e)
-            return GuardResult(action="allow", reason=str(e))
+            return GuardResult(
+                action="allow",
+                reason="An error occurred while calling the Trend Micro AI Guard API.",
+            )
         return guard_result

tests/test_trend_ai_guard.py

@@ -69,7 +69,7 @@ def test_trend_ai_guard_error(
         is_reusable=True, status_code=status_code, json={"result": {}}
     )
 
-    chat = TestChat(output_rail_config, llm_completions=["  Hello!"])  ## ??
+    chat = TestChat(output_rail_config, llm_completions=["  Hello!"])
 
     chat >> "Hi!"
     chat << "Hello!"