don't uninstall pip or setuptools

kennethreitz · kennethreitz · commit 8266b99d1eda · 2015-05-04T11:59:42.000-07:00
diff --git a/bin/steps/pip-uninstall b/bin/steps/pip-uninstall
@@ -5,7 +5,7 @@ if [[ -f .heroku/python/requirements-declared.txt ]]; then
 
   cp .heroku/python/requirements-declared.txt requirements-declared.txt
 
-  pip-diff --stale requirements-declared.txt requirements.txt > .heroku/python/requirements-stale.txt
+  pip-diff --stale requirements-declared.txt requirements.txt --exclude setuptools pip > .heroku/python/requirements-stale.txt
 
   rm -fr requirements-declared.txt
 
