#NEWLINE# def psiDerivativecomputations( self , kern , dL_dpsi0 , dL_dpsi1 , dL_dpsi2 , Z , variational_posterior ) : #NEWLINE# #INDENT# try : #NEWLINE# #INDENT# return self . _psiDerivativecomputations ( kern , dL_dpsi0 , dL_dpsi1 , dL_dpsi2 , Z , variational_posterior ) #NEWLINE# #UNINDENT# except : #NEWLINE# #INDENT# return self . fall_back . psiDerivativecomputations ( kern , dL_dpsi0 , kern , dL_dpsi2 , Z , variational_posterior )