python3-blinker: switch to pytest --automake

* Also replace ${PYTHON_PN} with python3

Signed-off-by: Tim Orling <tim.orling@konsulko.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-blinker_1.7.0.bb

@@ -9,11 +9,12 @@ inherit pypi python_setuptools_build_meta ptest
 SRC_URI += "file://run-ptest"
 
 RDEPENDS:${PN} += "\
-        ${PYTHON_PN}-asyncio \
+        python3-asyncio \
 "
 
 RDEPENDS:${PN}-ptest += " \
-	${PYTHON_PN}-pytest \
+    python3-pytest \
+    python3-unittest-automake-output \
 "
 
 do_install_ptest() {