bpo-31432: Revert unrelated code changes to _ssl.c and test_ssl (GH-7650)

Author: ned-deily

Lib/test/test_ssl.py

@@ -4074,9 +4074,7 @@ def test_session_handling(self):
  self.assertTrue(session)
  with self.assertRaises(TypeError) as e:
  s.session = object
- self.assertEqual(
- str(e.exception), 'Value is not an SSLSession.'
- )
+ self.assertEqual(str(e.exception), 'Value is not a SSLSession.')
 
  with client_context.wrap_socket(socket.socket(),
  server_hostname=hostname) as s:

Modules/_ssl.c

@@ -2066,7 +2066,7 @@ static int PySSL_set_context(PySSLSocket *self, PyObject *value,
  SSL_set_SSL_CTX(self->ssl, self->ctx->ctx);
 #endif
  } else {
- PyErr_SetString(PyExc_TypeError, "The value must be an SSLContext.");
+ PyErr_SetString(PyExc_TypeError, "The value must be a SSLContext");
  return -1;
  }
 
@@ -2725,7 +2725,7 @@ static int PySSL_set_session(PySSLSocket *self, PyObject *value,
  int result;
 
  if (!PySSLSession_Check(value)) {
- PyErr_SetString(PyExc_TypeError, "Value is not an SSLSession.");
+ PyErr_SetString(PyExc_TypeError, "Value is not a SSLSession.");
  return -1;
  }
  pysess = (PySSLSession *)value;