Update MoneyModel.py

[quaquel]

attempted fix for #2457

[github-actions]

Performance benchmarks:

Model	Size	Init time [95% CI]	Run time [95% CI]
BoltzmannWealth	small	🔵 +0.4% [-0.2%, +1.1%]	🔵 -0.8% [-0.9%, -0.7%]
BoltzmannWealth	large	🔵 -0.1% [-1.1%, +1.0%]	🔵 -2.0% [-5.5%, +2.2%]
Schelling	small	🔵 -1.3% [-1.8%, -0.8%]	🔵 -3.1% [-3.5%, -2.7%]
Schelling	large	🔵 +0.6% [-0.7%, +1.9%]	🔵 -1.4% [-4.2%, +1.3%]
WolfSheep	small	🔵 -0.8% [-1.1%, -0.5%]	🔵 -0.1% [-0.4%, +0.2%]
WolfSheep	large	🟢 -4.6% [-5.5%, -3.5%]	🟢 -11.6% [-14.8%, -8.4%]
BoidFlockers	small	🔵 -2.4% [-2.8%, -2.0%]	🔵 -0.3% [-1.1%, +0.5%]
BoidFlockers	large	🔵 -0.9% [-1.5%, -0.3%]	🔵 +0.1% [-0.4%, +0.6%]

[EwoutH]

Does it work like expected?

[quaquel]

yes