Improve error message of get_support_shape

Author: AlexAndorra

pymc/distributions/shape_utils.py

@@ -734,7 +734,7 @@ def get_support_shape(
     elif support_shape is not None:
         inferred_support_shape = at.stack(
             [
-                Assert(msg="support_shape does not match last shape dimension")(
+                Assert(msg="support_shape does not match respective shape dimension")(
                     inferred, at.eq(inferred, explicit)
                 )
                 for inferred, explicit in zip(inferred_support_shape, support_shape)

pymc/tests/distributions/test_timeseries.py

@@ -123,7 +123,7 @@ def test_missing_steps(self):
 
     def test_inconsistent_steps_and_shape(self):
         with pytest.raises(
-            AssertionError, match="support_shape does not match last shape dimension"
+            AssertionError, match="support_shape does not match respective shape dimension"
         ):
             x = GaussianRandomWalk.dist(steps=12, shape=45, init_dist=Normal.dist(0, 100))