From 70f1e3b4b0cdcf428fdcf44b6bc62ad76e2a03b2 Mon Sep 17 00:00:00 2001
From: Bruno Oliveira <nicoddemus@gmail.com>
Date: Thu, 30 Nov 2017 07:47:00 -0200
Subject: [PATCH] Improve getscopeitem assertion message

Fix #2979
---
 _pytest/fixtures.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/_pytest/fixtures.py b/_pytest/fixtures.py
index 19b977224..e09ffaddb 100644
--- a/_pytest/fixtures.py
+++ b/_pytest/fixtures.py
@@ -553,7 +553,7 @@ class FixtureRequest(FuncargnamesCompatAttr):
         if node is None and scope == "class":
             # fallback to function item itself
             node = self._pyfuncitem
-        assert node
+        assert node, 'Could not obtain a node for scope "{}" for function {!r}'.format(scope, self._pyfuncitem)
         return node
 
     def __repr__(self):