diff --git a/src/engine/operations/helpers.ts b/src/engine/operations/helpers.ts
index c4fdad1..ae820b4 100644
--- a/src/engine/operations/helpers.ts
+++ b/src/engine/operations/helpers.ts
@@ -1,6 +1,6 @@
 // Helper functions for evaluator operations
-import type { Quantity, Unit } from "../types";
-import { Decimal, EvalError } from "../types";
+import type { Quantity, Unit , Decimal} from "../types";
+import { EvalError } from "../types";
 
 /**
  * Converts quantity to base dimension units
diff --git a/src/ui/editor.ts b/src/ui/editor.ts
index 61111d0..618e366 100644
--- a/src/ui/editor.ts
+++ b/src/ui/editor.ts
@@ -257,8 +257,8 @@ export class SumEditor {
     });
 
     this.resultsEl.addEventListener("click", (e) => {
-      const el = (e.target as HTMLElement).closest(".result-line") as HTMLElement | null;
-      if (el?.dataset.value) {this.cb.onCopy(el.dataset.value as string);}
+      const el = (e.target as HTMLElement).closest(".result-line");
+      if (el?.dataset.value) {this.cb.onCopy(el.dataset.value);}
     });
   }