def METHOD_NAME(monkeypatch):
    from histolab import data
    fakesysmodules = copy.copy(sys.modules)
    fakesysmodules["pooch"] = None
    monkeypatch.delitem(sys.modules, "pooch")
    monkeypatch.setattr("sys.modules", fakesysmodules)
    file = SVS.CMU_1_SMALL_REGION
    reload(data)
    data.file_hash(file)
    assert data.file_hash.__module__ == "histolab.data"