Bump mako from 1.1.6 to 1.2.0 (#1684)

* Bump mako from 1.1.6 to 1.2.0

Bumps [mako](https://github.com/sqlalchemy/mako) from 1.1.6 to 1.2.0.
- [Release notes](https://github.com/sqlalchemy/mako/releases)
- [Changelog](https://github.com/sqlalchemy/mako/blob/main/CHANGES)
- [Commits](https://github.com/sqlalchemy/mako/commits)

---
updated-dependencies:
- dependency-name: mako
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update mako==1.2.0

* Update MarkupSafe==2.1.1

* Add importlib-metadata==4.11.3

* Update requirements.txt

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

[skip ci]

lib/mako/ext/babelplugin.py

@@ -1,10 +1,10 @@
 # ext/babelplugin.py
-# Copyright 2006-2020 the Mako authors and contributors <see AUTHORS file>
+# Copyright 2006-2021 the Mako authors and contributors <see AUTHORS file>
 #
 # This module is part of Mako and is released under
 # the MIT License: http://www.opensource.org/licenses/mit-license.php
 
-"""gettext message extraction via Babel: http://babel.edgewall.org/"""
+"""gettext message extraction via Babel: https://pypi.org/project/Babel/"""
 from babel.messages.extract import extract_python
 
 from mako.ext.extract import MessageExtractor
@@ -15,12 +15,12 @@ class BabelMakoExtractor(MessageExtractor):
         self.keywords = keywords
         self.options = options
         self.config = {
-            "comment-tags": u" ".join(comment_tags),
+            "comment-tags": " ".join(comment_tags),
             "encoding": options.get(
                 "input_encoding", options.get("encoding", None)
             ),
         }
-        super(BabelMakoExtractor, self).__init__()
+        super().__init__()
 
     def __call__(self, fileobj):
         return self.process_file(fileobj)
@@ -54,5 +54,4 @@ def extract(fileobj, keywords, comment_tags, options):
     :rtype: ``iterator``
     """
     extractor = BabelMakoExtractor(keywords, comment_tags, options)
-    for message in extractor(fileobj):
-        yield message
+    yield from extractor(fileobj)