Micropython linting fixes

micropython/examples/breakout_rtc/demo.py

@@ -14,4 +14,4 @@ while True:
         if rtc.update_time():
             date = rtc.string_date()
             time = rtc.string_time()
-            print("Date: ", date, ", Time: ", time, sep="")
+            print("Date: ", date, ", Time: ", time, sep="")