django>=1.4,<1.6
modeltree>=1.1.5
South==0.7.6
jsonfield==0.9.4

[clustering]
numpy>=1.6,<1.8
scipy>=0.11.0,<0.13.0

[search]
django-haystack==1.2.7

[extras]
openpyxl>=1.6,<1.7

[permissions]
django-guardian==1.0.4