fix precommit errors

Alihan Zihna · Alihan Zihna · commit e16f97410c5f · 2021-11-08T15:56:54.000Z
diff --git a/pymc/tests/test_distributions_moments.py b/pymc/tests/test_distributions_moments.py
@@ -11,12 +11,12 @@
     Gamma,
     HalfCauchy,
     HalfNormal,
+    HalfStudentT,
     Kumaraswamy,
     Laplace,
     LogNormal,
     StudentT,
     Weibull,
-    HalfStudentT,
 )
 from pymc.distributions.shape_utils import rv_size_is_none
 from pymc.initial_point import make_initial_point_fn
