Issue #15340: Fix importing the random module when /dev/urandom cannot be opened.

This was a regression caused by the hash randomization patch.

2 files changed, 5 insertions, 1 deletions

diff --git a/Misc/NEWS b/Misc/NEWS
index a1d35a4..065f5f6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -120,6 +120,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #15340: Fix importing the random module when /dev/urandom cannot
+  be opened.  This was a regression caused by the hash randomization patch.
+
 - Issue #15841: The readable(), writable() and seekable() methods of BytesIO
   and StringIO objects now raise ValueError when the object has been closed.
   Patch by Alessandro Moura.
diff --git a/Python/random.c b/Python/random.c
index a2ae002..825260f 100644
--- a/Python/random.c
+++ b/Python/random.c
@@ -165,7 +165,8 @@ dev_urandom_python(char *buffer, Py_ssize_t size)
     Py_END_ALLOW_THREADS
     if (fd < 0)
     {
-        PyErr_SetFromErrnoWithFilename(PyExc_OSError, "/dev/urandom");
+        PyErr_SetString(PyExc_NotImplementedError,
+                        "/dev/urandom (or equivalent) not found");
         return -1;
     }