convert list to tuple in Prior

Author: williambdean

pymc_marketing/prior.py

@@ -465,6 +465,8 @@ def dims(self) -> Dims:
     def dims(self, dims) -> None:
         if isinstance(dims, str):
             dims = (dims,)
+        elif isinstance(dims, list):
+            dims = tuple(dims)
 
         self._dims = dims or ()
 

tests/test_prior.py

@@ -1164,3 +1164,8 @@ def test_scaled_sample_prior() -> None:
     assert prior.sizes == {"chain": 1, "draw": 25, "channel": 3}
     assert "scaled_var" in prior
     assert "scaled_var_unscaled" in prior
+
+
+def test_prior_list_dims() -> None:
+    dist = Prior("Normal", dims=["channel", "geo"])
+    assert dist.dims == ("channel", "geo")