diff --git a/squinnondation/squinnondation.py b/squinnondation/squinnondation.py
index 112b7ed..2ff8d04 100644
--- a/squinnondation/squinnondation.py
+++ b/squinnondation/squinnondation.py
@@ -193,9 +193,9 @@ class NeighbourTLV(TLV):
 
     def marshal(self) -> bytes:
         return self.type.to_bytes(1, "big") + \
-               self.length.to_bytes(1, "big") + \
-               self.ip_address.packed + \
-               self.port.to_bytes(2, "big")
+            self.length.to_bytes(1, "big") + \
+            self.ip_address.packed + \
+            self.port.to_bytes(2, "big")
 
 
 class DataTLV(TLV):
@@ -214,10 +214,10 @@ class DataTLV(TLV):
 
     def marshal(self) -> bytes:
         return self.type.to_bytes(1, "big") + \
-               self.length.to_bytes(1, "big") + \
-               self.sender_id.to_bytes(8, "big") + \
-               self.nonce.to_bytes(4, "big") + \
-               self.data
+            self.length.to_bytes(1, "big") + \
+            self.sender_id.to_bytes(8, "big") + \
+            self.nonce.to_bytes(4, "big") + \
+            self.data
 
 
 class AckTLV(TLV):
@@ -234,9 +234,9 @@ class AckTLV(TLV):
 
     def marshal(self) -> bytes:
         return self.type.to_bytes(1, "big") + \
-               self.length.to_bytes(1, "big") + \
-               self.sender_id.to_bytes(8, "big") + \
-               self.nonce.to_bytes(4, "big")
+            self.length.to_bytes(1, "big") + \
+            self.sender_id.to_bytes(8, "big") + \
+            self.nonce.to_bytes(4, "big")
 
 
 class GoAwayTLV(TLV):
@@ -259,9 +259,9 @@ class GoAwayTLV(TLV):
 
     def marshal(self) -> bytes:
         return self.type.to_bytes(1, "big") + \
-               self.length.to_bytes(1, "big") + \
-               self.code.value.to_bytes(1, "big") + \
-               self.message.encode("UTF-8")[:self.length - 1]
+            self.length.to_bytes(1, "big") + \
+            self.code.value.to_bytes(1, "big") + \
+            self.message.encode("UTF-8")[:self.length - 1]
 
 
 class WarningTLV(TLV):
@@ -276,8 +276,8 @@ class WarningTLV(TLV):
 
     def marshal(self) -> bytes:
         return self.type.to_bytes(1, "big") + \
-               self.length.to_bytes(1, "big") + \
-               self.message.encode("UTF-8")[:self.length]
+            self.length.to_bytes(1, "big") + \
+            self.message.encode("UTF-8")[:self.length]
 
 
 class Packet:
@@ -317,7 +317,7 @@ class Packet:
         if not (0 <= tlv_type < len(TLV.tlv_classes())):
             raise ValueError(f"TLV type is not supported: {tlv_type}")
         pkt.body = TLV.tlv_classes()[tlv_type]()
-        pkt.body.unmarshal(data[4:4+pkt.body_length])
+        pkt.body.unmarshal(data[4:4 + pkt.body_length])
 
         pkt.validate_data()