From a2bb9cbfb1e2c1a7427590c848c9ee89dfe177ef Mon Sep 17 00:00:00 2001
From: Dave Carlson <thecubic@thecubic.net>
Date: Wed, 31 Jul 2019 11:43:05 -0700
Subject: [PATCH] change empty CRL get_revoked to empty tuple

---
 src/OpenSSL/crypto.py | 3 +--
 tests/test_crypto.py  | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/OpenSSL/crypto.py b/src/OpenSSL/crypto.py
index 5a734ccd9..8256688ae 100644
--- a/src/OpenSSL/crypto.py
+++ b/src/OpenSSL/crypto.py
@@ -2137,8 +2137,7 @@ def get_revoked(self):
             pyrev = Revoked.__new__(Revoked)
             pyrev._revoked = _ffi.gc(revoked_copy, _lib.X509_REVOKED_free)
             results.append(pyrev)
-        if results:
-            return tuple(results)
+        return tuple(results)
 
     def add_revoked(self, revoked):
         """
diff --git a/tests/test_crypto.py b/tests/test_crypto.py
index 9d943a943..c929cb869 100644
--- a/tests/test_crypto.py
+++ b/tests/test_crypto.py
@@ -3117,7 +3117,7 @@ def test_construction(self):
         """
         crl = CRL()
         assert isinstance(crl, CRL)
-        assert crl.get_revoked() is None
+        assert crl.get_revoked() is ()
 
     def _get_crl(self):
         """