import problemas with radish-bdd

calculator.py

from operator import add

steps.py

from radish import given, when, then


@given("I have the numbers {number1:g} and {number2:g}")
def have_numbers(step, number1, number2):
    step.context.number1 = number1
    step.context.number2 = number2


@when("I sum them")
def sum_numbers(step):
    step.context.result = step.context.calculator.add(step.context.number1,
                                                      step.context.number2)


@then("I expect the result to be {result:g}")
def expect_result(step, result):
    assert step.context.result == result

terrain.py

from radish import before, after

import calc
# from calc import calculator

@before.each_scenario
def init_calculator(scenario):
    scenario.context.calculator = calc.calculator
    # scenario.context.calculator = calculator


@after.each_scenario
def destory_calculator(scenario):
    del scenario.context.calculator

tree.txt

.
├── calc
│   ├── calculator.py
│   └── __init__.py
├── features
│   └── SumNumbers.feature
└── radish
    ├── __init__.py
    ├── steps.py
    └── terrain.py