lint fix

Author: amzhao16

tests/test_circuit.py

@@ -170,7 +170,8 @@ def test_012_all_results(self):
         circuit.add_lines([("source", "load0"), ("generator0", "load0")])
         circuit.solve()
         # Should be flexible with capitalization, spaces
-        print(circuit.results(["Voltages", "losses", "Total Power", "realpowerloss", "Active Power"]))
+        queries = ["Voltages", "losses", "Total Power", "realpowerloss", "Active Power"]
+        print(circuit.results(queries))
 
 
 class TestCustomizedCircuit(unittest.TestCase):