def get_metabric_genes(fh):
    """ Returns a list of the genes in the metabric csv file header
    NB: It removes the "GE_" suffix present in the naming scheme
    used for gene expression

    Parameters
    ----------
    fh : str
        path to the metabric csv file

    Returns
    -------
    metabric_genes : list
        list of metabric gene names without the GE_prefix
    """

    with open(fh, "r") as metabric_fh:
        header = (metabric_fh.readline()).strip()
        header = header.split(",")

    # Find all the genes in the header
    metabric_genes = []
    for var in header:
        if "GE_" in var:
            metabric_genes.append(var[3:])

    return metabric_genes