fixes

mesmer/mesmer_x/train_utils_mesmerx.py

@@ -114,7 +114,7 @@ def _interpret_distrib(self):
                 " https://docs.scipy.org/doc/scipy/reference/stats.html"
             )
 
-        self.is_distrib_discrete = self.distrib in _DISCRETE_DISTRIBUTIONS
+        self.is_distrib_discrete = dist in _DISCRETE_DISTRIBUTIONS
         self.distrib = getattr(sp.stats, dist)
 
     def _find_expr_parameters(self):
@@ -168,7 +168,7 @@ def _find_parameters_list(self):
         if self.distrib.name in _CONTINUOUS_DISTRIBUTIONS:
             parameters_list += ["scale"]
 
-        self.parameters_values = parameters_list
+        self.parameters_list = parameters_list
 
         # prepary basic boundaries on parameters: incomplete, did not find a way to
         # evaluate automatically the limits on shape parameters

tests/unit/test_mesmer_x_expression.py

@@ -43,8 +43,8 @@ def test_expression_wrong_math_function():
 def test_expression_wrong_numpy_or_math_function():
 
     match = (
-        "The term 'wrong' appears in the expression 'wrong(c1)' for 'loc', but couldn't"
-        " find an equivalent in numpy or math."
+        "The term 'wrong' appears in the expression 'wrong\(c1\)' for 'loc', but"
+        " couldn't find an equivalent in numpy or math."
     )
 
     with pytest.raises(ValueError, match=match):
@@ -118,7 +118,7 @@ def test_expression_binom():
     assert expr.expression_name == "name"
 
     assert expr.distrib == sp.stats.binom
-    assert not expr.is_distrib_discrete
+    assert expr.is_distrib_discrete
 
     assert expr.parameters_list == ["n", "p", "loc"]