- a1 = client.invoke(n1, "Popen", ["ping", "-qc1", "10.0.1.2"], stdout = file1)
- a2 = client.invoke(n3, "Popen", ["ping", "-qc1", "10.0.0.1"], stdout = file2)
+ a1 = client.invoke(n1, "Popen", ["ping", "-qc1", "10.0.1.2"], stdout=file1)
+ a2 = client.invoke(n3, "Popen", ["ping", "-qc1", "10.0.0.1"], stdout=file2)