From 5d062ed36ce07dde3c9ba0b3ae7e39e825a6a1b2 Mon Sep 17 00:00:00 2001
From: Jonathan Kliem <jonathan.kliem@fu-berlin.de>
Date: Wed, 25 Aug 2021 23:26:44 +0200
Subject: [PATCH] one more doctest

---
 src/sage/symbolic/expression_conversions.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/sage/symbolic/expression_conversions.py b/src/sage/symbolic/expression_conversions.py
index 63cef49e0b9..00da0a5be30 100644
--- a/src/sage/symbolic/expression_conversions.py
+++ b/src/sage/symbolic/expression_conversions.py
@@ -691,6 +691,13 @@ class SympyConverter(Converter):
 
     """
     def __init__(self):
+        """
+        TESTS::
+
+            sage: from sage.symbolic.expression_conversions import SympyConverter
+            sage: s = SympyConverter()  # indirect doctest
+            sage: TestSuite(s).run(skip="_test_pickling")
+        """
         from sage.interfaces.sympy import sympy_init
         sympy_init()