Lint Python files with Yapf (#1872)

test/jenkins_tests/multi_node_tests/test_0.py

@@ -25,8 +25,9 @@ if __name__ == "__main__":
     for i in range(num_attempts):
         ip_addresses = ray.get([f.remote() for i in range(1000)])
         distinct_addresses = set(ip_addresses)
-        counts = [ip_addresses.count(address) for address
-                  in distinct_addresses]
+        counts = [
+            ip_addresses.count(address) for address in distinct_addresses
+        ]
         print("Counts are {}".format(counts))
         if len(counts) == 5:
             break