python-pytest: 3.4.1 -> 3.4.2

1.Upgrade python-pytest from 3.4.1 to 3.4.2.
2.Modify pytest_version_fix.patch, since the data has been changed.

Signed-off-by: Huang Qiyu <huangqy.fnst@cn.fujitsu.com>

meta-python/recipes-devtools/python/python-pytest_3.4.2.bb

@@ -0,0 +1,8 @@
+inherit pypi setuptools
+require python-pytest.inc
+
+RDEPENDS_${PN}_class-target += " \
+    ${PYTHON_PN}-argparse \
+    ${PYTHON_PN}-compiler \
+    ${PYTHON_PN}-funcsigs \
+"