def detect(stream):
    try:
        openpyxl.reader.excel.load_workbook(stream)
        return True
    except openpyxl.shared.exc.InvalidFileException:
        pass
Return shear angle, direction and plane from shear matrix.
dataset/ETHPy150Open kennethreitz/tablib/tablib/formats/_xlsx.py/detect--crossover with--dataset/ETHPy150Open omangin/multimodal/multimodal/lib/transformations.py/shear_from_matrix