run black

doc/en/example/assertion/global_testmodule_config/conftest.py

@@ -1,10 +1,12 @@
 import pytest, py
+
 mydir = py.path.local(__file__).dirpath()
 
+
 def pytest_runtest_setup(item):
     if isinstance(item, pytest.Function):
         if not item.fspath.relto(mydir):
             return
         mod = item.getparent(pytest.Module).obj
-        if hasattr(mod, 'hello'):
-            print ("mod.hello %r" % (mod.hello,))
+        if hasattr(mod, "hello"):
+            print("mod.hello %r" % (mod.hello,))

doc/en/example/assertion/global_testmodule_config/test_hello_world.py

@@ -1,5 +1,6 @@
 
 hello = "world"
 
+
 def test_func():
     pass