Problem with toolchain rendering block

uart/loopback/README.adoc

@@ -18,16 +18,6 @@ A list of files with descriptions of their function;
 
 uart.py:: The example code.
 
-== Other things to try
-
-[source,python]
-----
-uart0 = UART(0) # <1>
-uart0.readline() # <2>
-----
-<1> opens a UART connection at the default baudrate of 115,200
-<2> reads until the CR (\r) and NL (\n) characters then returns the line
-
 == Bill of Materials
 
 .A list of materials required for the example