package need to update for high ipdb version

[pythonwood]

File "/xx/lib/python3.6/site-packages/django_pdb/utils.py", line 15, in get_ipdb return ipdb.__main__.Pdb(def_colors) AttributeError: module 'ipdb.__main__' has no attribute 'Pdb'

test not ok when: pip install ipdb >=0.11

test ok when: pip install ipdb==0.10