Import in example code fail

[pjakobsen]

From bubbles / doc / operations.rst

The following example code fails:

from bubbles import default_context as c from bubbles import get_object

source = get_object("csv", "data.csv") duplicates = c.op.duplicates(source)

$python operations.py Traceback (most recent call last): File "operations.py", line 2, in from bubbles import get_object ImportError: cannot import name get_object