No module named 'telnetlib'

File "/home/user/routersploit/rsf.py", line 10, in from routersploit.interpreter import RoutersploitInterpreter File "/home/user/routersploit/routersploit/interpreter.py", line 14, in from routersploit.core.exploit.exceptions import RoutersploitException File "/home/user/routersploit/routersploit/core/exploit/init.py", line 28, in from routersploit.core.exploit.shell import shell File "/home/user/routersploit/routersploit/core/exploit/shell.py", line 2, in import telnetlib ModuleNotFoundError: No module named 'telnetlib'