python-postgres
diff --git a/‎postgresql/protocol/element3.py‎
Lines changed: 1 addition & 1 deletion b/‎postgresql/protocol/element3.py‎
Lines changed: 1 addition & 1 deletion
@@ -482,7 +482,7 @@ def bytes(self):
 	def parse(typ, data):
 		if data[0:4] != typ.packed_version:
 			raise ValueError("invalid cancel query code")
-		return typ(*self.struct.unpack(data[4:]))
+		return typ(*typ.struct.unpack(data[4:]))
 
 class NegotiateSSL(Message):
 	"Discover backend's SSL support"