TypeError: No matching signature found

[by-Gokulram]

I get this error when I try to create fisher vectors

Traceback (most recent call last):
File /acc_improvement/cyvlfeat_exp/fv_test.py", line 27, in
val = fisher(desc_, means, covars, priors)
File "/home/anaconda3/envs/acc_improvement/lib/python3.8/site-packages/cyvlfeat/fisher/fisher.py", line 73, in fisher
return cy_fisher(x, means, covariances, priors,
File "cyvlfeat/fisher/cyfisher.pyx", line 23, in cyvlfeat.fisher.cyfisher.__pyx_fused_cpdef
TypeError: No matching signature found