Fix segv with PyTable.C (#17396)

Added check for size of results vector before referencing elements.

Author: biagas

src/visitpy/common/PyTable.C

@@ -58,7 +58,8 @@ TakeQueryAttributesResults(QueryAttributes &qA, float *buff)
     // Move the vector in so that it gets destroyed at the end of the function
     std::vector<float> results = std::move(qA.GetFloatResultsValue());
     std::cout << "Taking float query attribute results!" << std::endl;
-    std::cout << results[0] << ", " << results[1] << ", " << results[2] << std::endl;
+    if(results.size() == 3)
+        std::cout << results[0] << ", " << results[1] << ", " << results[2] << std::endl;
     memcpy(buff, results.data(), results.size() * sizeof(float));
 }