Merge pull request #3659 from oa-s/#3654

AlphaWallet/Core/Coordinators/WalletBalance/PrivateBalanceFetcher.swift

@@ -134,7 +134,6 @@ class PrivateBalanceFetcher: PrivateBalanceFetcherType {
 
     private func refreshBalanceForNonErc721Or1155Tokens(tokens: [Activity.AssignedToken]) -> Promise<[PrivateBalanceFetcher.TokenBatchOperation]> {
         assert(!tokens.contains { $0.isERC721Or1155AndNotForTickets })
-        guard !tokens.isEmpty else { return .value([]) }
         let promises = tokens.map { getBalanceForNonErc721Or1155Tokens(forToken: $0) }
         return when(resolved: promises).map { values -> [PrivateBalanceFetcher.TokenBatchOperation] in
             return values.compactMap { $0.optionalValue }.compactMap { $0 }
@@ -250,7 +249,6 @@ class PrivateBalanceFetcher: PrivateBalanceFetcherType {
 
     private func refreshBalanceForErc721Or1155Tokens(tokens: [Activity.AssignedToken]) -> Promise<[PrivateBalanceFetcher.TokenBatchOperation]> {
         assert(!tokens.contains { !$0.isERC721Or1155AndNotForTickets })
-        guard !tokens.isEmpty else { return .value([]) }
 
         let tokensFromOpenSeaPromise = getTokensFromOpenSea()
         let enjinTokensPromise = getTokensFromEnjin()