python3-pytest: fix broken fetch (3.4.1 -> 3.4.2)

In above commit, only the python2 recipe was updated, but python3 recipe also uses the SRC_URI from python-pytest.inc and is currently broken (do_fetch).

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 .../python/{python3-pytest_3.4.1.bb => python3-pytest_3.4.2.bb}           | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename meta-python/recipes-devtools/python/{python3-pytest_3.4.1.bb => python3-pytest_3.4.2.bb} (100%)

similarity index 100%
rename from meta-python/recipes-devtools/python/python3-pytest_3.4.1.bb
rename to meta-python/recipes-devtools/python/python3-pytest_3.4.2.bb

2.14.3