From 0f55e5170414d90b048609eb44fbf8f27d085074 Mon Sep 17 00:00:00 2001
From: svlandeg <sofie.vanlandeghem@gmail.com>
Date: Sun, 23 Feb 2020 16:33:58 +0100
Subject: [PATCH] assert we found the root_dir

---
 spacy/tests/test_requirements.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/spacy/tests/test_requirements.py b/spacy/tests/test_requirements.py
index 644e6f8f9..21636766d 100644
--- a/spacy/tests/test_requirements.py
+++ b/spacy/tests/test_requirements.py
@@ -26,6 +26,8 @@ def test_build_dependencies(en_vocab):
                         if lib and lib not in libs_ignore_requirements:
                             req_dict[lib] = v
 
+    assert root_dir is not None, "Could not find the root directory of requirements.txt"
+
     # check setup.cfg and compare to requirements.txt
     # also fails when there are missing or additional libs
     setup_file = root_dir / "setup.cfg"