src/sage/categories: Add # optional

sagemath · Feb 5, 2023 · d534fb6 · d534fb6
1 parent eb45a59
commit d534fb6
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diff --git a/src/sage/categories/monoids.py b/src/sage/categories/monoids.py
@@ -379,7 +379,7 @@ def inverse(self):
 
             EXAMPLES::
 
-                sage: AA(sqrt(~2)).inverse()
+                sage: AA(sqrt(~2)).inverse()                                    # optional - sage.symbolic, sage.rings.number_field
                 1.414213562373095?
             """
             # Nota Bene: Element classes should implement ``__invert__`` only.

diff --git a/src/sage/categories/poor_man_map.py b/src/sage/categories/poor_man_map.py
@@ -266,8 +266,8 @@ def _sympy_(self):
         EXAMPLES::
 
             sage: from sage.categories.poor_man_map import PoorManMap
-            sage: h = PoorManMap(sin, domain=RR, codomain=RR)
-            sage: h._sympy_()
+            sage: h = PoorManMap(sin, domain=RR, codomain=RR)                               # optional - sage.symbolic
+            sage: h._sympy_()                                                               # optional - sage.symbolic
             sin
         """
         from sympy import Lambda, sympify