Provide a solution to prevent monkey-patching the settings.

This is necessary to work around extreme cases of circular imports.
We really need to reverse URLs at import time and this isn't always
possible.

1 files changed, 12 insertions, 0 deletions

diff --git a/docs/installation.rst b/docs/installation.rst
index 221d85f..921cfe8 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -51,9 +51,21 @@ what it does, or if you prefer defining your settings explicitly, read below.
     during the start-up sequence. This works with ``manage.py runserver``
     because it validates models before serving requests.
 
+.. warning::
+
+    The automatic setup imports your project's URLconf in order to add the
+    Debug Toolbar's URLs. This may trigger circular imports when the URLconf
+    imports views that import models. If you're hitting an :exc:`ImportError`,
+    follow the explicit setup instructions.
+
 Explicit setup
 --------------
 
+First, tell the toolbar not to adjust your settings automatically by adding
+this line in your settings module::
+
+    DEBUG_TOOLBAR_PATCH_SETTINGS = False
+
 URLconf
 ~~~~~~~