test: Remove unused imports

test/functional/feature_pruning.py

@@ -14,7 +14,14 @@ from test_framework.blocktools import create_coinbase
 from test_framework.messages import CBlock, ToHex
 from test_framework.script import CScript, OP_RETURN, OP_NOP
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import assert_equal, assert_greater_than, assert_raises_rpc_error, connect_nodes, disconnect_nodes, sync_blocks, wait_until
+from test_framework.util import (
+    assert_equal,
+    assert_greater_than,
+    assert_raises_rpc_error,
+    connect_nodes,
+    disconnect_nodes,
+    wait_until,
+)
 
 MIN_BLOCKS_TO_KEEP = 288