[FIX] More Python2 rounding problems

bitcoinlib/wallets.py

@@ -3557,7 +3557,7 @@ def transaction_import(self, t):
             rt.vsize = t.vsize
             if not t.vsize:
                 rt.vsize = rt.size
-            rt.fee_per_kb = int((rt.fee / rt.size) * 1024)
+            rt.fee_per_kb = int((rt.fee / float(rt.size)) * 1024)
             rt.block_height = t.block_height
             rt.confirmations = t.confirmations
             rt.witness_type = t.witness_type
@@ -3601,7 +3601,7 @@ def transaction_import_raw(self, raw_tx, network=None):
         rt = self.transaction_create(t_import.outputs, t_import.inputs, network=network)
         rt.verify()
         rt.size = rt.vsize = len(raw_tx)
-        rt.fee_per_kb = int((rt.fee / rt.size) * 1024)
+        rt.fee_per_kb = int((rt.fee / float(rt.size)) * 1024)
         return rt
 
     def send(self, output_arr, input_arr=None, input_key_id=None, account_id=None, network=None, fee=None,
@@ -3658,7 +3658,7 @@ def send(self, output_arr, input_arr=None, input_key_id=None, account_id=None, n
         if fee is None and transaction.fee_per_kb and transaction.change:
             fee_exact = transaction.calculate_fee()
             # Recreate transaction if fee estimation more then 10% off
-            if fee_exact and abs((transaction.fee - fee_exact) / float(fee_exact)) > 0.10:
+            if fee_exact and abs((float(transaction.fee) - float(fee_exact)) / float(fee_exact)) > 0.10:
                 _logger.info("Transaction fee not correctly estimated (est.: %d, real: %d). "
                              "Recreate transaction with correct fee" % (transaction.fee, fee_exact))
                 transaction = self.transaction_create(output_arr, input_arr, input_key_id, account_id, network,