Fix build (#15849)

Author: lewiszlw

datafusion/physical-optimizer/src/enforce_sorting/replace_with_order_preserving_variants.rs

@@ -34,7 +34,7 @@ use datafusion_physical_plan::execution_plan::EmissionType;
 use datafusion_physical_plan::repartition::RepartitionExec;
 use datafusion_physical_plan::sorts::sort_preserving_merge::SortPreservingMergeExec;
 use datafusion_physical_plan::tree_node::PlanContext;
-use datafusion_physical_plan::{ExecutionPlan, ExecutionPlanProperties};
+use datafusion_physical_plan::ExecutionPlanProperties;
 
 use itertools::izip;
 
@@ -205,9 +205,8 @@ pub fn plan_with_order_breaking_variants(
         // Replace `SortPreservingMergeExec` with a `CoalescePartitionsExec`
         // SPM may have `fetch`, so pass it to the `CoalescePartitionsExec`
         let child = Arc::clone(&sort_input.children[0].plan);
-        let coalesce = CoalescePartitionsExec::new(child)
-            .with_fetch(plan.fetch())
-            .unwrap();
+        let coalesce =
+            Arc::new(CoalescePartitionsExec::new(child).with_fetch(plan.fetch()));
         sort_input.plan = coalesce;
     } else {
         return sort_input.update_plan_from_children();