accomodate black

Author: jerryneedell

adafruit_rfm9x.py

@@ -600,7 +600,6 @@ def crc_error(self):
         """crc status"""
         return (self._read_u8(_RH_RF95_REG_12_IRQ_FLAGS) & 0x20) >> 5
 
-
     def send(
         self,
         data,
@@ -676,7 +675,6 @@ def send(
         self._write_u8(_RH_RF95_REG_12_IRQ_FLAGS, 0xFF)
         return not timed_out
 
-
     def send_with_ack(self, data):
         """Reliable Datagram mode:
            Send a packet with data and wait for an ACK response.
@@ -790,7 +788,7 @@ def receive(
                             time.sleep(self.ack_delay)
                         # send ACK packet to sender (data is b'!')
                         self.send(
-                            b'!',
+                            b"!",
                             destination=packet[1],
                             node=packet[0],
                             identifier=packet[2],