def get_mem_usage():
    try:
        import psutil
        mb = (1024 * 1024)
        return f'used={(psutil.virtual_memory().used / mb)}Mb; avail={(psutil.virtual_memory().available / mb)}Mb'
    except ImportError:
        return 'N/A'
def get_mem_usage():
    try:
        import psutil
        mb = (1024 * 1024)
        return f'used={(psutil.virtual_memory().used / mb)}Mb; avail={(psutil.virtual_memory().available / mb)}Mb'
    except ImportError:
        return 'N/A'