diff --git a/pyretic/core/packet.py b/pyretic/core/packet.py
index 93dc31c5..006e503b 100644
--- a/pyretic/core/packet.py
+++ b/pyretic/core/packet.py
@@ -51,6 +51,7 @@ def tcp_packet_gen():
     pkt.protocols.append(tcp.tcp(0, 0, 0, 0, 0, 0, 0, 0, 0))
 
     return pkt
+    
 def icmp_packet_gen():
     pkt = packet.Packet()
     pkt.protocols.append(ethernet.ethernet("ff:ff:ff:ff:ff:ff", "ff:ff:ff:ff:ff:ff", IPV4))