Fixed #34140 -- Reformatted code blocks in docs with blacken-docs.

docs/ref/unicode.txt

@@ -180,9 +180,9 @@ An example might clarify things here:
 
     >>> from urllib.parse import quote
     >>> from django.utils.encoding import iri_to_uri
-    >>> quote('Paris & Orléans')
+    >>> quote("Paris & Orléans")
     'Paris%20%26%20Orl%C3%A9ans'
-    >>> iri_to_uri('/favorites/François/%s' % quote('Paris & Orléans'))
+    >>> iri_to_uri("/favorites/François/%s" % quote("Paris & Orléans"))
     '/favorites/Fran%C3%A7ois/Paris%20%26%20Orl%C3%A9ans'
 
 If you look carefully, you can see that the portion that was generated by
@@ -200,9 +200,9 @@ An example to demonstrate:
 .. code-block:: pycon
 
     >>> from django.utils.encoding import uri_to_iri
-    >>> uri_to_iri('/%E2%99%A5%E2%99%A5/?utf8=%E2%9C%93')
+    >>> uri_to_iri("/%E2%99%A5%E2%99%A5/?utf8=%E2%9C%93")
     '/♥♥/?utf8=✓'
-    >>> uri_to_iri('%A9hello%3Fworld')
+    >>> uri_to_iri("%A9hello%3Fworld")
     '%A9hello%3Fworld'
 
 In the first example, the UTF-8 characters are unquoted. In the second, the
@@ -245,8 +245,9 @@ above_. For example::
     from urllib.parse import quote
     from django.utils.encoding import iri_to_uri
 
+
     def get_absolute_url(self):
-        url = '/person/%s/?x=0&y=0' % quote(self.location)
+        url = "/person/%s/?x=0&y=0" % quote(self.location)
         return iri_to_uri(url)
 
 This function returns a correctly encoded URL even if ``self.location`` is
@@ -262,7 +263,8 @@ Templates
 Use strings when creating templates manually::
 
     from django.template import Template
-    t2 = Template('This is a string template.')
+
+    t2 = Template("This is a string template.")
 
 But the common case is to read templates from the filesystem. If your template
 files are not stored with a UTF-8 encoding, adjust the :setting:`TEMPLATES`
@@ -303,6 +305,7 @@ environment. Check your current configuration in an interactive Python shell by
 running::
 
     import sys
+
     sys.getfilesystemencoding()
 
 This should output "UTF-8".
@@ -340,7 +343,7 @@ the ``encoding`` attribute on an ``HttpRequest`` instance. For example::
 
     def some_view(request):
         # We know that the data must be encoded as KOI8-R (for some reason).
-        request.encoding = 'koi8-r'
+        request.encoding = "koi8-r"
         ...
 
 You can even change the encoding after having accessed ``request.GET`` or