Bug#859916: Fails on simple test from documentation

[Chris Lamb]

tags 859916 + patch
retitle 859916 django-assets: installed pytest plugin can break unrelated 
software
thanks

Patch attached.


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      la...@debian.org / chris-lamb.co.uk
       `-

diff --git a/django_assets/pytest_plugin.py b/django_assets/pytest_plugin.py
index 7736a6f..847f357 100644
--- a/django_assets/pytest_plugin.py
+++ b/django_assets/pytest_plugin.py
@@ -1,6 +1,8 @@
+import os
 import pytest
 import django_assets.env
 
 @pytest.fixture(autouse=True)
 def set_django_assets_env():
-    django_assets.env.get_env() # initialise django-assets settings
+    if 'DJANGO_SETTINGS_MODULE' in os.environ:
+        django_assets.env.get_env() # initialise django-assets settings