fix lint errors

tfe/resource_tfe_workspace.go

@@ -670,14 +670,14 @@ func resourceTFEWorkspaceDelete(d *schema.ResourceData, meta interface{}) error
 // value is not detected by ResourceDiff so read value from RawConfig instead
 func setExecutionModeDefault(_ context.Context, d *schema.ResourceDiff) error {
 	configMap := d.GetRawConfig().AsValueMap()
-	operations, _ := configMap["operations"]
-	executionMode, ok := configMap["execution_mode"]
+	operations, operationsReadOk := configMap["operations"]
+	executionMode, executionModeReadOk := configMap["execution_mode"]
 	executionModeState := d.Get("execution_mode")
-	if ok {
+	if operationsReadOk && executionModeReadOk {
 		if operations.IsNull() && executionMode.IsNull() && executionModeState != "remote" {
 			err := d.SetNew("execution_mode", "remote")
 			if err != nil {
-				return err
+				return fmt.Errorf("failed to set execution_mode: %w", err)
 			}
 		}
 	}