Don't pin dev debug requirements.
@@ -63,8 +63,8 @@ DEV_REQUIRES = TEST_REQUIRES + DOCS_REQUIRES + (
# Dev debugging
'ipython',
- 'ipdb==0.10.3',
- 'ipdbplugin==1.4.5',
+ 'ipdb',
+ 'ipdbplugin',
# Lint spellchecking, dev only (don't fail CI)
'flake8-spellcheck==0.12.1',
