unable to run stationary-test.py

[akram1335]

sudo python3 stationary-test.py *** Creating nodes *** Configuring wifi nodes *** Connecting to wmediumd server /var/run/wmediumd.sock *** Creating links Exception in thread Thread-2: Traceback (most recent call last): File "/usr/lib/python3.8/threading.py", line 932, in _bootstrap_inner self.run() File "stationary-test.py", line 59, in run net.addLink(self.stations[0], cls=adhoc, ssid='adhocNet', mode='g', channel=5) File "/usr/local/lib/python3.8/dist-packages/mininet_wifi-2.5-py3.8.egg/mn_wifi/net.py", line 600, in addLink link = cls(node=node1, **params) TypeError: __init__() missing 1 required positional argument: 'intf' Exception in thread Thread-1: Traceback (most recent call last): File "/usr/lib/python3.8/threading.py", line 932, in _bootstrap_inner self.run() File "stationary-test.py", line 90, in run shared_mem = SharedMemory(6789, flags=sysv_ipc.IPC_CREAT, size=sysv_ipc.PAGE_SIZE, init_character='\0') TypeError: argument 5 must be a byte string of length 1, not str

[rushanthan03]

how can i handle this error