private static void assertAtLeastOneMethod(List<Method> methods)
		throws WeavingException {
		if (methods.size() == 0) {
			throw new WeavingException("Jython 2.7 not found");
		}
	}
Constructor.

@param context The DCR context.
@throws WeavingException If it looks like Jython 2.7 isn't available.
ngrinder-runtime/src/main/java/net/grinder/scriptengine/jython/instrumentation/dcr/Jython27Instrumenter.java