run pre-commit check files and fix code style problem

test=develop

p2p_role_maker.py

@@ -0,0 +1,17 @@
+
+
+class P2PRoleMakers(object):
+    def __init__(self):
+        from mpi4py import MPI
+        self.comm = MPI.COMM_WORLD
+        self.MPI = MPI
+
+    def get_endpoints(self, port_start):
+        rank = self.comm.Get_rank()
+        size = self.comm.Get_size()
+        import socket
+        local_ip = socket.gethostbyname(socket.gethostname())
+        hostname = socket.gethostname()
+        all_ips = self.comm.allgather(local_ip)
+        all_ports = [str(port_start + rank) for ]
+        return all_ports