Template panel context cleanup.

All panels get a copy of the template context when created and use an updated
copy when rendering so they can have full access to context vars and avoid
making changes to the shared context.

Signed-off-by: Rob Hudson <rob@cogit8.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/debug_toolbar/panels/version.py b/debug_toolbar/panels/version.py
index 96a4535..098ab62 100644
--- a/debug_toolbar/panels/version.py
+++ b/debug_toolbar/panels/version.py
@@ -50,7 +50,10 @@ class VersionDebugPanel(DebugPanel):
                 version = '.'.join(str(o) for o in version)
             versions[name] = version
 
-        return render_to_string('debug_toolbar/panels/versions.html', {
+        context = self.context.copy()
+        context.update({
             'versions': versions,
             'paths': sys.path,
         })
+
+        return render_to_string('debug_toolbar/panels/versions.html', context)