@SuppressWarnings("ResultOfMethodCallIgnored")
	private StringBuilder addPythonPathJvmArgument(StringBuilder jvmArguments) {
		jvmArguments.append(" -Dpython.path=");
		jvmArguments.append(new File(baseDirectory.getFile(), "lib").getAbsolutePath());
		String pythonPath = System.getenv().get("PYTHONPATH");
		if (pythonPath != null) {
			jvmArguments.append(File.pathSeparator).append(pythonPath);
		}
		String pythonHome = System.getenv().get("PYTHONHOME");
		if (pythonHome != null) {
			jvmArguments.append(" -Dpython.home=");
			jvmArguments.append(pythonHome);
		}
		jvmArguments.append(" ");
		File jythonCache = new File(FileUtils.getTempDirectory(), "jython");
		jythonCache.mkdirs();
		jvmArguments.append(" -Dpython.cachedir=").append(jythonCache.getAbsolutePath()).append(" ");
		return jvmArguments;
	}
Rebase class path from relative path to absolute path.

@param classPath class path
@return converted path.
ngrinder-core/src/main/java/net/grinder/engine/agent/PropertyBuilder.java