Fix imports for pylint

Author: AlexAndorra

pymc3/distributions/multivariate.py

@@ -52,8 +52,7 @@
 from pymc3.distributions.continuous import ChiSquared, Normal, assert_negative_support
 from pymc3.distributions.dist_math import bound, factln, logpow, multigammaln
 from pymc3.distributions.distribution import Continuous, Discrete
-from pymc3.distributions.special import gammaln, multigammaln
-from pymc3.math import kron_diag, kron_dot, kron_solve_lower, kronecker
+from pymc3.math import kron_diag, kron_dot
 
 __all__ = [
     "MvNormal",