Importing Orange returns “ImportError: no module named orange”

Question

I\'d like to use the Orange package for scientific analysis . Installation on x86_64 Ubuntu 12.04, with Python 2.7.3, went well, using sudo e

Answer 1

The semantics for importing Orange have changed around version 2.5. If using code written with a previous version, some changes must be made, see http://orange.biolab.si/blog/2011/12/20/orange-25-code-conversion/. Critically, one needs to replace:

import orange

with:

import Orange

(note the capital letter O in the second example).

A side effect is that other sub-modules no longer need to be explicitly imported; a single

import Orange

is enough, instead of e.g.

import orange, orngTest, orngStat, orngTree