PEP 8, deindent some of the text. (GH-458)

pep-0008.txt

@@ -650,11 +650,11 @@ making a tuple of one element (and in Python 2 they have semantics for
 the ``print`` statement).  For clarity, it is recommended to surround
 the latter in (technically redundant) parentheses.
 
-  Yes::
+Yes::
 
     FILES = ('setup.cfg',)
 
-  OK, but confusing::
+OK, but confusing::
 
     FILES = 'setup.cfg',
 
@@ -667,7 +667,7 @@ However it does not make sense to have a trailing comma on the same
 line as the closing delimiter (except in the above case of singleton
 tuples).
 
-  Yes::
+Yes::
 
     FILES = [
         'setup.cfg',
@@ -677,7 +677,7 @@ tuples).
                error=True,
                )
 
-  No::
+No::
 
     FILES = ['setup.cfg', 'tox.ini',]
     initialize(FILES, error=True,)