[Pytest-commit] Issue #684: parametrized fixture with session scope initialized twise (hpk42/pytest)

[aokhotin]

New issue 684: parametrized fixture with session scope initialized twise
https://bitbucket.org/hpk42/pytest/issue/684/parametrized-fixture-with-session-scope

aokhotin:

I attached two files were bug reproduced.
steps:

```
#!bash

$ py.test --version
This is pytest version 2.6.4, imported from /home/username/venv/local/lib/python2.7/site-packages/pytest.pyc
```
so there no any plugins.

```
#!bash

 py.test -sv
============================= test session starts ==============================
platform linux2 -- Python 2.7.6 -- py-1.4.26 -- pytest-2.6.4 -- /home/username/venv/bin/python
collected 21 items 

test_solar.py::test_one PASSED
test_solar.py::test_three[pluto-1] sun '1'
"sun '1'" - "pluto"
PASSED
test_solar.py::test_four[pluto-1] PASSED
test_solar.py::test_three[pluto-2] sun '2'
"sun '2'" - "pluto"
PASSED
test_solar.py::test_four[pluto-2] PASSED
test_solar.py::test_three[neptun-2] "sun '2'" - "neptun"
PASSED
test_solar.py::test_four[neptun-2] PASSED
test_solar.py::test_three[neptun-1] sun '1'
"sun '1'" - "neptun"
PASSED
test_solar.py::test_four[neptun-1] PASSED
test_solar.py::test_three[neptun-3] sun '3'
"sun '3'" - "neptun"
PASSED
test_solar.py::test_four[neptun-3] PASSED
test_solar.py::test_three[pluto-3] "sun '3'" - "pluto"
PASSED
test_solar.py::test_four[pluto-3] PASSED
test_solar.py::test_three[neptun-4] sun '4'
"sun '4'" - "neptun"
PASSED
test_solar.py::test_four[neptun-4] PASSED
test_solar.py::test_three[pluto-4] "sun '4'" - "pluto"
PASSED
test_solar.py::test_four[pluto-4] PASSED
test_solar.py::test_three[neptun-5] sun '5'
"sun '5'" - "neptun"
PASSED
test_solar.py::test_four[neptun-5] PASSED
test_solar.py::test_three[pluto-5] "sun '5'" - "pluto"
PASSED
test_solar.py::test_four[pluto-5] PASSED

```
The fact that "sun '1'" have been initialized twise is unexpected.