diff --git a/netmiko/ipinfusion/ipinfusion_ocnos.py b/netmiko/ipinfusion/ipinfusion_ocnos.py
index ebe6c28ce..fa9ac2af1 100644
--- a/netmiko/ipinfusion/ipinfusion_ocnos.py
+++ b/netmiko/ipinfusion/ipinfusion_ocnos.py
@@ -2,7 +2,17 @@
 from typing import Any
 from socket import socket
 
-from netmiko._telnetlib.telnetlib import IAC, DO, DONT, WILL, WONT, SB, SE, TTYPE, Telnet
+from netmiko._telnetlib.telnetlib import (
+    IAC,
+    DO,
+    DONT,
+    WILL,
+    WONT,
+    SB,
+    SE,
+    TTYPE,
+    Telnet,
+)
 from netmiko.cisco_base_connection import CiscoBaseConnection
 
 
diff --git a/netmiko/raisecom/raisecom_roap.py b/netmiko/raisecom/raisecom_roap.py
index d5ec396b0..65a701b2f 100644
--- a/netmiko/raisecom/raisecom_roap.py
+++ b/netmiko/raisecom/raisecom_roap.py
@@ -3,7 +3,19 @@
 import time
 from socket import socket
 
-from netmiko._telnetlib.telnetlib import IAC, DO, DONT, WILL, WONT, SB, SE, ECHO, SGA, NAWS, Telnet
+from netmiko._telnetlib.telnetlib import (
+    IAC,
+    DO,
+    DONT,
+    WILL,
+    WONT,
+    SB,
+    SE,
+    ECHO,
+    SGA,
+    NAWS,
+    Telnet,
+)
 from netmiko.exceptions import NetmikoAuthenticationException
 
 
diff --git a/netmiko/zte/zte_zxros.py b/netmiko/zte/zte_zxros.py
index 6e28a0c28..cc2f50be3 100644
--- a/netmiko/zte/zte_zxros.py
+++ b/netmiko/zte/zte_zxros.py
@@ -3,7 +3,19 @@
 from typing import Any
 
 from netmiko.cisco_base_connection import CiscoBaseConnection
-from netmiko._telnetlib.telnetlib import IAC, DO, DONT, WILL, WONT, SB, SE, ECHO, SGA, NAWS, Telnet
+from netmiko._telnetlib.telnetlib import (
+    IAC,
+    DO,
+    DONT,
+    WILL,
+    WONT,
+    SB,
+    SE,
+    ECHO,
+    SGA,
+    NAWS,
+    Telnet,
+)
 
 
 class ZteZxrosBase(CiscoBaseConnection):