Fixed NoneType name in Mux (#5785)

Co-authored-by: Dragon-Git <[email protected]>


Fixed #5784

frontends/PyCDE/src/constructs.py

@@ -188,17 +188,17 @@ def Mux(sel: BitVectorSignal, *data_inputs: typing.List[Signal]):
   if sel.type.width != (num_inputs - 1).bit_length():
     raise TypeError("'Sel' bit width must be clog2 of number of inputs")
 
+  input_names = [
+      i.name if i.name is not None else f"in{idx}"
+      for idx, i in enumerate(data_inputs)
+  ]
   if num_inputs == 2:
     m = comb.MuxOp(sel, data_inputs[1], data_inputs[0])
   else:
     a = ArraySignal.create(data_inputs)
-    a.name = "arr_" + "_".join([i.name for i in data_inputs])
+    a.name = "arr_" + "_".join(input_names)
     m = a[sel]
 
-  input_names = [
-      i.name if i.name is not None else f"in{idx}"
-      for idx, i in enumerate(data_inputs)
-  ]
   m.name = f"mux_{sel.name}_" + "_".join(input_names)
   return m