Deprecate and raise AttributeError for MaxAndArgmax

Author: Dhruvanshu-Joshi

pytensor/tensor/math.py

@@ -110,9 +110,9 @@
 def __getattr__(name):
     if name == "MaxAndArgmax":
         raise AttributeError(
-            "The class `MaxAndArgmax` has been deprecated. "
-            "Call `Max` and `Argmax` separately as an alternative."
+            "The class `MaxandArgmax` has been deprecated. Call `Max` and `Argmax` seperately as an alternative."
         )
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
 
 
 def _get_atol_rtol(a, b):

tests/tensor/test_math.py

@@ -1423,7 +1423,10 @@ def test_bool(self):
 
 
 def test_MaxAndArgmax_deprecated():
-    with pytest.raises(AttributeError):
+    with pytest.raises(
+        AttributeError,
+        match="The class `MaxandArgmax` has been deprecated. Call `Max` and `Argmax` seperately as an alternative.",
+    ):
         pytensor.tensor.math.MaxAndArgmax