Remove ABC named model restriction

pymc3/smc/sample_smc.py

@@ -183,11 +183,6 @@ def sample_smc(
     _log.info("Initializing SMC sampler...")
 
     model = modelcontext(model)
-    if model.name:
-        raise NotImplementedError(
-            "The SMC implementation currently does not support named models. "
-            "See https://github.com/pymc-devs/pymc3/pull/4365."
-        )
     if cores is None:
         cores = _cpu_count()
 

pymc3/tests/test_smc.py

@@ -474,16 +474,6 @@ def test_name_is_string_type(self):
             trace = pm.sample_smc(draws=10, cores=1, return_inferencedata=False)
             assert isinstance(trace._straces[0].name, str)
 
-    def test_named_models_are_unsupported(self):
-        with pm.Model(name="NamedModel"):
-            a = pm.Normal("a", mu=0, sigma=1)
-            b = pm.HalfNormal("b", sigma=1)
-            s = pm.Simulator("s", NormalSimRV1(), a, b, observed=self.data)
-
-            # TODO: Why is this?
-            with pytest.raises(NotImplementedError, match="named models"):
-                pm.sample_smc(draws=10, chains=1)
-
     def test_deprecated_abc_args(self):
         with self.SMABC_test:
             with pytest.warns(