Remove deprecated Constant alias

Author: tomicapretto

pymc/distributions/__init__.py

@@ -55,7 +55,6 @@
     BetaBinomial,
     Binomial,
     Categorical,
-    Constant,
     DiracDelta,
     DiscreteUniform,
     DiscreteWeibull,
@@ -139,7 +138,6 @@
     "Poisson",
     "NegativeBinomial",
     "DiracDelta",
-    "Constant",
     "ZeroInflatedPoisson",
     "ZeroInflatedNegativeBinomial",
     "ZeroInflatedBinomial",

pymc/distributions/discrete.py

@@ -61,7 +61,6 @@
     "Poisson",
     "NegativeBinomial",
     "DiracDelta",
-    "Constant",
     "ZeroInflatedPoisson",
     "ZeroInflatedBinomial",
     "ZeroInflatedNegativeBinomial",
@@ -1245,23 +1244,6 @@ def logcdf(value, c):
         )
 
 
-class Constant:
-    def __new__(cls, *args, **kwargs):
-        warnings.warn(
-            "pm.Constant has been deprecated. Use pm.DiracDelta instead.",
-            FutureWarning,
-        )
-        return DiracDelta(*args, **kwargs)
-
-    @classmethod
-    def dist(cls, *args, **kwargs):
-        warnings.warn(
-            "pm.Constant has been deprecated. Use pm.DiracDelta instead.",
-            FutureWarning,
-        )
-        return DiracDelta.dist(*args, **kwargs)
-
-
 def _zero_inflated_mixture(*, name, nonzero_p, nonzero_dist, **kwargs):
     """Helper function to create a zero-inflated mixture
 

tests/distributions/test_discrete.py

@@ -632,13 +632,6 @@ def test_zero_inflated_dists_dtype_and_broadcast(dist, non_psi_args):
     assert x.eval().shape == (3,)
 
 
-def test_constantdist_deprecated():
-    with pytest.warns(FutureWarning, match="DiracDelta"):
-        with pm.Model() as m:
-            x = pm.Constant("x", c=1)
-            assert isinstance(x.owner.op, pm.distributions.discrete.DiracDeltaRV)
-
-
 class TestMoments:
     @pytest.mark.parametrize(
         "p, size, expected",