test: Remove confusing cast to same type (int to int)

test/functional/p2p_invalid_messages.py

@@ -64,13 +64,13 @@ def test_buffer(self):
         conn = self.nodes[0].add_p2p_connection(P2PDataStore())
         # Create valid message
         msg = conn.build_message(msg_ping(nonce=12345))
-        cut_pos = 12    # Chosen at an arbitrary position within the header
+        cut_pos = 12  # Chosen at an arbitrary position within the header
         # Send message in two pieces
-        before = int(self.nodes[0].getnettotals()['totalbytesrecv'])
+        before = self.nodes[0].getnettotals()['totalbytesrecv']
         conn.send_raw_message(msg[:cut_pos])
         # Wait until node has processed the first half of the message
-        self.wait_until(lambda: int(self.nodes[0].getnettotals()['totalbytesrecv']) != before)
-        middle = int(self.nodes[0].getnettotals()['totalbytesrecv'])
+        self.wait_until(lambda: self.nodes[0].getnettotals()['totalbytesrecv'] != before)
+        middle = self.nodes[0].getnettotals()['totalbytesrecv']
         # If this assert fails, we've hit an unlikely race
         # where the test framework sent a message in between the two halves
         assert_equal(middle, before + cut_pos)