Test for chol factorization should pass now

Author: Dpananos

pymc3/tests/test_distributions.py

@@ -1327,7 +1327,7 @@ def setup_class(self):
             sigma = HalfNormal('sigma', sigma=1)
 
             #Test Cholesky parameterization
-            Z = MvNormal('Z', mu = np.zeros(2), chol = np.eye(2), shape = 2)
+            Z = MvNormal('Z', mu=np.zeros(2), chol=np.eye(2), shape=(2,))
 
             # Expected value of outcome
             mu = Deterministic('mu', floatX(alpha + tt.dot(X, b)))
@@ -1340,7 +1340,7 @@ def setup_class(self):
             r'$\text{sigma} \sim \text{HalfNormal}(\mathit{sigma}=1.0)$',
             r'$\text{mu} \sim \text{Deterministic}(\text{alpha},~\text{Constant},~\text{beta})$',
             r'$\text{beta} \sim \text{Normal}(\mathit{mu}=0.0,~\mathit{sigma}=10.0)$',
-            r'$\text{Z} \sim \text{MvNormal}(\mathit{mu}=array,~\mathit{chol}=array)$',
+            r'$Z \sim \text{MvNormal}(\mathit{mu}=array, \mathit{chol}=array)$',
             r'$\text{Y_obs} \sim \text{Normal}(\mathit{mu}=\text{mu},~\mathit{sigma}=f(\text{sigma}))$'
         )