always copy stack trace

Author: williambdean

pytensor/tensor/rewriting/math.py

@@ -568,7 +568,8 @@ def local_log_sqrt(fgraph, node):
     new_out = mul(0.5, log(x))
     if new_out.dtype != old_out.dtype:
         new_out = cast(new_out, old_out.dtype)
-        copy_stack_trace(node.out, new_out)
+
+    copy_stack_trace(node.out, new_out)
     return [new_out]