Only print debug about upper linked component if the upper linked blo…

…ck isn't the DUMMY

armi/reactor/converters/axialExpansionChanger.py

@@ -503,11 +503,18 @@ def _getLinkedComponents(self, b, c):
         self.linkedComponents[c] = lstLinkedC
 
         if lstLinkedC[0] is None and self.linkedBlocks[b][0] is not None:
+            # only print debug if there is a linked block below in the first place
             runLog.debug(
                 f"Assembly {self.a}, Block {b}, Component {c} has nothing linked below it!",
                 single=True,
             )
-        if lstLinkedC[1] is None and self.linkedBlocks[b][1] is not None:
+        if (
+            lstLinkedC[1] is None
+            and self.linkedBlocks[b][1] is not None
+            and not self.linkedBlocks[b][1].hasFlags(Flags.DUMMY)
+        ):
+            # only print debug is there is a linked block above in the first place,
+            # and if that linked block is not the DUMMY block
             runLog.debug(
                 f"Assembly {self.a}, Block {b}, Component {c} has nothing linked above it!",
                 single=True,