diff --git a/examples/network/udp_multicast_client.py b/examples/network/udp_multicast_client.py
index 0d9db65096157..803cac0857c50 100755
--- a/examples/network/udp_multicast_client.py
+++ b/examples/network/udp_multicast_client.py
@@ -44,7 +44,7 @@ def inet_aton(str_addr):
         if time.time() - t >= 3:
             t = time.time()
 
-            mac = wlan.config('mac')
+            mac = wlan.config("mac")
             str_to_send = f"client_ip:{client_ip}\t mac:{'-'.join(map('{:02x}'.format, mac))}"
             skt.sendto(str_to_send, sockaddr)
             print(f'GET to   {sockaddr}\t sent     "{str_to_send}"')
@@ -60,4 +60,4 @@ def inet_aton(str_addr):
                 skt.close()
             except:
                 pass
-            raise(e)
+            raise (e)
diff --git a/examples/network/udp_multicast_server.py b/examples/network/udp_multicast_server.py
index 626645268c55a..0ebafc9dd02fb 100755
--- a/examples/network/udp_multicast_server.py
+++ b/examples/network/udp_multicast_server.py
@@ -44,7 +44,7 @@ def inet_aton(str_addr):
         if received:
             print(f'GET from {addr}\t received "{received.decode()}"')
 
-            mac = wlan.config('mac')
+            mac = wlan.config("mac")
             str_to_send = f"server_ip:{server_ip}\t mac:{'-'.join(map('{:02x}'.format, mac))}"
             skt.sendto(str_to_send, sockaddr)
             print(f'ACK to   {sockaddr}\t sent     "{str_to_send}"')
@@ -56,4 +56,4 @@ def inet_aton(str_addr):
                 skt.close()
             except:
                 pass
-            raise(e)
+            raise (e)