A test example:

import sympy.galgebra
sympy.galgebra.Format(ipy=True)
base=sympy.galgebra.MV.setup('e*1|2')
str(sympy.galgebra.MV.I.inv())

output: '-\\bm{e_{1}\\W e_{2}}'
and the output just print the numerator and neglect denominator

because the correct answer is:
str(sympy.galgebra.MV.Iinv)
output: '- \\frac{1}{\\lp e_{1}\\cdot e_{1}\\rp  \\lp e_{2}\\cdot 
e_{2}\\rp  - \\lp e_{1}\\cdot e_{2}\\rp ^{2}}\\bm{e_{1}\\W e_{2}}'
now it has numerator and denominator

Chaowen GUO

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