From dbdf084cda2175c4d770169af8a45c58ab65c8fa Mon Sep 17 00:00:00 2001
From: Matthias Koeppe <mkoeppe@math.ucdavis.edu>
Date: Thu, 18 Feb 2021 14:49:29 -0800
Subject: [PATCH] src/sage/structure/sage_object.pyx: Mark R interface test #
 optional - rpy2

---
 src/sage/structure/sage_object.pyx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/sage/structure/sage_object.pyx b/src/sage/structure/sage_object.pyx
index f61cb6ad426..2dcb0d86195 100644
--- a/src/sage/structure/sage_object.pyx
+++ b/src/sage/structure/sage_object.pyx
@@ -915,8 +915,8 @@ cdef class SageObject:
 
         EXAMPLES::
 
-            sage: a = 2/3
-            sage: a._r_init_()
+            sage: a = 2/3                                    # optional - rpy2
+            sage: a._r_init_()                               # optional - rpy2
             '2/3'
         """
         import sage.interfaces.r