Loading mat-files not possible

[gvtsch]

Hi,

I am having the problem, that i can't open the mat-files:

mat = sio.loadmat("mendota.mat", squeeze_me=True,
    variable_names=['Y','Xc_doy','Modeled_temp']) 

leads to:
ValueError: Unknown mat file type, version 97, 116

Keras v2.6.0
Scipy v1.8.0
Tensorflow 2.6.0