[tests] sort imports in rpc_createmultisig.py

Author: jnewbery

test/functional/rpc_createmultisig.py

@@ -3,21 +3,20 @@
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 """Test multisig RPCs"""
+import binascii
+import decimal
+import itertools
+import json
+import os
 
 from test_framework.authproxy import JSONRPCException
 from test_framework.descriptors import descsum_create, drop_origins
+from test_framework.key import ECPubKey, ECKey, bytes_to_wif
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_raises_rpc_error,
     assert_equal,
 )
-from test_framework.key import ECPubKey, ECKey, bytes_to_wif
-
-import binascii
-import decimal
-import itertools
-import json
-import os
 
 class RpcCreateMultiSigTest(BitcoinTestFramework):
     def set_test_params(self):