No module named 'numba.targets'

I’m new to Numba.
Recently, I install the numba, but when I import the numba.targets, there no module named it.
My numba version is 0.51.0
Pandas version 1.1.0
Anyone kown how to solve this problem?

@hahia thanks for asking about this. If you believe you have encountered a bug in Numba, please do open an issue here: