minor review changes

Author: 2bndy5

circuitpython_nrf24l01/network/mixins.py

@@ -551,9 +551,8 @@ def _write_to_pipe(self, to_node: int, to_pipe: int, is_multicast: bool) -> bool
                 result = self._tx_standby(self.tx_timeout)
         else:
             # break message into fragments and send the multiple resulting frames
-            total = bool(len(self.frame_buf.message) % MAX_FRAG_SIZE) + int(
-                len(self.frame_buf.message) / MAX_FRAG_SIZE
-            )
+            msg_len = len(self.frame_buf.message)
+            total = bool(msg_len % MAX_FRAG_SIZE) + int(msg_len / MAX_FRAG_SIZE)
             msg_t = self.frame_buf.header.message_type
             for count in range(total):
                 buf_start = count * MAX_FRAG_SIZE

circuitpython_nrf24l01/rf24.py

@@ -319,8 +319,8 @@ def send(
         self._ce_pin.value = False
         if isinstance(buf, (list, tuple)):
             result = []
-            for byte in buf:
-                result.append(self.send(byte, ask_no_ack, force_retry, send_only))
+            for b_array in buf:
+                result.append(self.send(b_array, ask_no_ack, force_retry, send_only))
             return result  # type: ignore[return-value]
         if self._in[0] & 0x10 or self._in[0] & 1:
             self.flush_tx()