tests: Fix style issues in common_config.py

Signed-off-by: Iqra Siddiqui <imujeebsiddi@vmware.com>

diff --git a/tests/topotests/lib/common_config.py b/tests/topotests/lib/common_config.py
index 0defe1359d23eacc6fb0d4c546ed80830b3e972d..c0572fca4c1046f301bbc2e25bbef78ee2063c25 100644 (file)
--- a/tests/topotests/lib/common_config.py
+++ b/tests/topotests/lib/common_config.py
@@ -1195,7 +1195,7 @@ def add_interfaces_to_vlan(tgen, input_dict):
 
                         # Assigning IP address
                         ifaddr = ipaddress.ip_interface(
-                            u"{}/{}".format(
+                            "{}/{}".format(
                                 frr_unicode(data["ip"]), frr_unicode(data["subnet"])
                             )
                         )
@@ -1626,7 +1626,7 @@ def create_interface_in_kernel(
         ifaddr = ipaddress.ip_interface(frr_unicode(ip_addr))
     else:
         ifaddr = ipaddress.ip_interface(
-            u"{}/{}".format(frr_unicode(ip_addr), frr_unicode(netmask))
+            "{}/{}".format(frr_unicode(ip_addr), frr_unicode(netmask))
         )
     cmd = "ip -{0} a flush {1} scope global && ip a add {2} dev {1} && ip l set {1} up".format(
         ifaddr.version, name, ifaddr