fix cr issues

apps/block_scout_web/lib/block_scout_web/controllers/recent_transactions_controller.ex

@@ -6,8 +6,7 @@ defmodule BlockScoutWeb.RecentTransactionsController do
   alias Phoenix.View
 
   def index(conn, _params) do
-    case ajax?(conn) do
-      true ->
+    if ajax?(conn) do
       recent_transactions =
         Chain.recent_collated_transactions(
           necessity_by_association: %{
@@ -29,8 +28,7 @@ defmodule BlockScoutWeb.RecentTransactionsController do
         end)
 
       json(conn, %{transactions: transactions})
-
-      _ ->
+    else
       unprocessable_entity(conn)
     end
   end

apps/indexer/lib/indexer/fetcher/internal_transaction.ex

@@ -205,7 +205,8 @@ defmodule Indexer.Fetcher.InternalTransaction do
         {hash, block_number}
       end)
 
-    case Chain.import(%{
+    imports =
+      Chain.import(%{
         addresses: %{params: addresses_params},
         internal_transactions: %{params: internal_transactions_params_without_failed_creations},
         internal_transactions_indexed_at_blocks: %{
@@ -213,7 +214,9 @@ defmodule Indexer.Fetcher.InternalTransaction do
           with: :number_only_changeset
         },
         timeout: :infinity
-         }) do
+      })
+
+    case imports do
       {:ok, imported} ->
         async_import_coin_balances(imported, %{
           address_hash_to_fetched_balance_block_number: address_hash_to_block_number