apply most other hooks and opt out of black reformating

doc/en/tmpdir.rst

@@ -32,14 +32,14 @@ Running this would result in a passed test except for the last
     platform linux -- Python 3.x.y, pytest-3.x.y, py-1.x.y, pluggy-0.x.y
     rootdir: $REGENDOC_TMPDIR, inifile:
     collected 1 item
-    
+
     test_tmpdir.py F                                                     [100%]
-    
+
     ================================= FAILURES =================================
     _____________________________ test_create_file _____________________________
-    
+
     tmpdir = local('PYTEST_TMPDIR/test_create_file0')
-    
+
         def test_create_file(tmpdir):
             p = tmpdir.mkdir("sub").join("hello.txt")
             p.write("content")
@@ -47,7 +47,7 @@ Running this would result in a passed test except for the last
             assert len(tmpdir.listdir()) == 1
     >       assert 0
     E       assert 0
-    
+
     test_tmpdir.py:7: AssertionError
     ========================= 1 failed in 0.12 seconds =========================