script, test: fix python linter E275 errors with flake8 5.0.4

test/functional/wallet_bumpfee.py

@@ -557,7 +557,7 @@ def test_unconfirmed_not_spendable(self, rbf_node, rbf_node_address):
 
 def test_bumpfee_metadata(self, rbf_node, dest_address):
     self.log.info('Test that bumped txn metadata persists to new txn record')
-    assert(rbf_node.getbalance() < 49)
+    assert rbf_node.getbalance() < 49
     self.generatetoaddress(rbf_node, 101, rbf_node.getnewaddress())
     rbfid = rbf_node.sendtoaddress(dest_address, 49, "comment value", "to value")
     bumped_tx = rbf_node.bumpfee(rbfid)