We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
[14.0] mail_debrand: TypeError: cannot use a string pattern on a bytes-like object
This error occurs in the app email marketing(mass_mailing) by clicking on "Test" in the Mailings tab

 File "/opt/odoo/odoo/addons/base/models/ir_http.py", line 237, in _dispatch
    result = request.dispatch()
  File "/opt/odoo/odoo/http.py", line 683, in dispatch
    result = self._call_function(**self.params)
  File "/opt/odoo/odoo/http.py", line 359, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/opt/odoo/odoo/service/model.py", line 94, in wrapper
    return f(dbname, *args, **kwargs)
  File "/opt/odoo/odoo/http.py", line 347, in checked_call
    result = self.endpoint(*a, **kw)
  File "/opt/odoo/odoo/http.py", line 912, in __call__
    return self.method(*args, **kw)
  File "/opt/odoo/odoo/http.py", line 531, in response_wrap
    response = f(*args, **kw)
  File "/opt/odoo/odoo/addons/web/controllers/main.py", line 1368, in call_button
    action = self._call_kw(model, method, args, kwargs)
  File "/opt/odoo/odoo/addons/web/controllers/main.py", line 1356, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/opt/odoo/odoo/api.py", line 396, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "/opt/odoo/odoo/api.py", line 383, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "/opt/odoo/odoo/addons/mass_mailing/wizard/mailing_mailing_test.py", line 54, in send_mail_test
    mail = self.env['mail.mail'].sudo().create(mail_values)
  File "<decorator-gen-210>", line 2, in create
  File "/opt/odoo/odoo/api.py", line 344, in _model_create_multi
    return create(self, [arg])
  File "/opt/odoo/odoo/addons/mass_mailing/models/mail_mail.py", line 21, in create
    mails = super(MailMail, self).create(values_list)
  File "<decorator-gen-155>", line 2, in create
  File "/opt/odoo/odoo/api.py", line 345, in _model_create_multi
    return create(self, arg)
  File "/opt/odoo/custom-addons/mail_debrand/models/mail_render_mixinANDmail_mail.py", line 98, in create
    values_list[index]["body_html"] = self.env[
  File "/opt/odoo/custom-addons/mail_debrand/models/mail_render_mixinANDmail_mail.py", line 18, in remove_href_odoo
    has_odoo_link = re.search(r"<a\s(.*)odoo\.com", value, flags=re.IGNORECASE)
  File "/usr/lib/python3.8/re.py", line 201, in search
    return _compile(pattern, flags).search(string)
Exception
 
The above exception was the direct cause of the following exception:
 
Traceback (most recent call last):
  File "/opt/odoo/odoo/http.py", line 639, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/opt/odoo/odoo/http.py", line 315, in _handle_exception
    raise exception.with_traceback(None) from new_cause
TypeError: cannot use a string pattern on a bytes-like object

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `mail_debrand/models/mail_render_mixinANDmail_mail.py`
Content:
```
1 # Copyright 2019 O4SB - Graeme Gellatly
2 # Copyright 2019 Tecnativa - Ernesto Tejeda
3 # Copyright 2020 Onestein - Andrea Stirpe
4 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
5 import re
6 
7 from lxml import etree, html
8 
9 from odoo import api, models
10 
11 
12 class MailRenderMixin(models.AbstractModel):
13     _inherit = "mail.render.mixin"
14 
15     def remove_href_odoo(self, value, remove_parent=True, remove_before=False):
16         if len(value) < 20:
17             return value
18         has_odoo_link = re.search(r"<a\s(.*)odoo\.com", value, flags=re.IGNORECASE)
19         if has_odoo_link:
20             tree = etree.HTML(
21                 value
22             )  # html with brlken links   tree = etree.fromstring(value) just xml
23             odoo_achors = tree.xpath('//a[contains(@href,"odoo.com")]')
24             for elem in odoo_achors:
25                 parent = elem.getparent()
26                 previous = elem.getprevious()
27 
28                 if remove_before and not remove_parent and previous:
29                     # remove 'using' that is before <a and after </span>
30                     bytes_text = etree.tostring(
31                         previous, pretty_print=True, method="html"
32                     )
33                     only_what_is_in_tags = bytes_text[: bytes_text.rfind(b">") + 1]
34                     data_formatted = html.fromstring(only_what_is_in_tags)
35                     parent.replace(previous, data_formatted)
36                 if len(parent.getparent()) and remove_parent:
37                     # anchor <a href odoo has a parent powered by that must be removed
38                     parent.getparent().remove(parent)
39                 else:
40                     if parent.tag == "td":  # also here can be powerd by
41                         parent.getparent().remove(parent)
42                     else:
43                         parent.remove(elem)
44             value = etree.tostring(tree, pretty_print=True, method="html")
45             # etree can return bytes; ensure we get a proper string
46             if type(value) is bytes:
47                 value = value.decode()
48         return re.sub("[^(<)(</)]odoo", "", value, flags=re.IGNORECASE)
49 
50     @api.model
51     def _render_template(
52         self,
53         template_src,
54         model,
55         res_ids,
56         engine="jinja",
57         add_context=None,
58         post_process=False,
59     ):
60         """replace anything that is with odoo in templates
61         if is a <a that contains odoo will delete it completly
62         original:
63          Render the given string on records designed by model / res_ids using
64         the given rendering engine. Currently only jinja is supported.
65 
66         :param str template_src: template text to render (jinja) or  (qweb)
67           this could be cleaned but hey, we are in a rush
68         :param str model: model name of records on which we want to perform rendering
69         :param list res_ids: list of ids of records (all belonging to same model)
70         :param string engine: jinja
71         :param post_process: perform rendered str / html post processing (see
72           ``_render_template_postprocess``)
73 
74         :return dict: {res_id: string of rendered template based on record}"""
75         orginal_rendered = super()._render_template(
76             template_src,
77             model,
78             res_ids,
79             engine="jinja",
80             add_context=None,
81             post_process=False,
82         )
83 
84         for key in res_ids:
85             orginal_rendered[key] = self.remove_href_odoo(orginal_rendered[key])
86 
87         return orginal_rendered
88 
89 
90 class MailMail(models.AbstractModel):
91     _inherit = "mail.mail"
92 
93     # in messages from objects is adding using Odoo that we are going to remove
94 
95     @api.model_create_multi
96     def create(self, values_list):
97         for index, _value in enumerate(values_list):
98             values_list[index]["body_html"] = self.env[
99                 "mail.render.mixin"
100             ].remove_href_odoo(
101                 values_list[index]["body_html"], remove_parent=0, remove_before=1
102             )
103 
104         return super().create(values_list)
105
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/mail_debrand/models/mail_render_mixinANDmail_mail.py b/mail_debrand/models/mail_render_mixinANDmail_mail.py
--- a/mail_debrand/models/mail_render_mixinANDmail_mail.py
+++ b/mail_debrand/models/mail_render_mixinANDmail_mail.py
@@ -15,11 +15,14 @@
     def remove_href_odoo(self, value, remove_parent=True, remove_before=False):
         if len(value) < 20:
             return value
+        # value can be bytes type; ensure we get a proper string
+        if type(value) is bytes:
+            value = value.decode()
         has_odoo_link = re.search(r"<a\s(.*)odoo\.com", value, flags=re.IGNORECASE)
         if has_odoo_link:
             tree = etree.HTML(
                 value
-            )  # html with brlken links   tree = etree.fromstring(value) just xml
+            )  # html with broken links   tree = etree.fromstring(value) just xml
             odoo_achors = tree.xpath('//a[contains(@href,"odoo.com")]')
             for elem in odoo_achors:
                 parent = elem.getparent()
@@ -33,7 +36,7 @@
                     only_what_is_in_tags = bytes_text[: bytes_text.rfind(b">") + 1]
                     data_formatted = html.fromstring(only_what_is_in_tags)
                     parent.replace(previous, data_formatted)
-                if len(parent.getparent()) and remove_parent:
+                if remove_parent and len(parent.getparent()):
                     # anchor <a href odoo has a parent powered by that must be removed
                     parent.getparent().remove(parent)
                 else:

{"golden_diff": "diff --git a/mail_debrand/models/mail_render_mixinANDmail_mail.py b/mail_debrand/models/mail_render_mixinANDmail_mail.py\n--- a/mail_debrand/models/mail_render_mixinANDmail_mail.py\n+++ b/mail_debrand/models/mail_render_mixinANDmail_mail.py\n@@ -15,11 +15,14 @@\n     def remove_href_odoo(self, value, remove_parent=True, remove_before=False):\n         if len(value) < 20:\n             return value\n+        # value can be bytes type; ensure we get a proper string\n+        if type(value) is bytes:\n+            value = value.decode()\n         has_odoo_link = re.search(r\"<a\\s(.*)odoo\\.com\", value, flags=re.IGNORECASE)\n         if has_odoo_link:\n             tree = etree.HTML(\n                 value\n-            )  # html with brlken links   tree = etree.fromstring(value) just xml\n+            )  # html with broken links   tree = etree.fromstring(value) just xml\n             odoo_achors = tree.xpath('//a[contains(@href,\"odoo.com\")]')\n             for elem in odoo_achors:\n                 parent = elem.getparent()\n@@ -33,7 +36,7 @@\n                     only_what_is_in_tags = bytes_text[: bytes_text.rfind(b\">\") + 1]\n                     data_formatted = html.fromstring(only_what_is_in_tags)\n                     parent.replace(previous, data_formatted)\n-                if len(parent.getparent()) and remove_parent:\n+                if remove_parent and len(parent.getparent()):\n                     # anchor <a href odoo has a parent powered by that must be removed\n                     parent.getparent().remove(parent)\n                 else:\n", "issue": "[14.0] mail_debrand: TypeError: cannot use a string pattern on a bytes-like object\nThis error occurs in the app email marketing(mass_mailing) by clicking on \"Test\" in the Mailings tab\r\n\r\n File \"/opt/odoo/odoo/addons/base/models/ir_http.py\", line 237, in _dispatch\r\n    result = request.dispatch()\r\n  File \"/opt/odoo/odoo/http.py\", line 683, in dispatch\r\n    result = self._call_function(**self.params)\r\n  File \"/opt/odoo/odoo/http.py\", line 359, in _call_function\r\n    return checked_call(self.db, *args, **kwargs)\r\n  File \"/opt/odoo/odoo/service/model.py\", line 94, in wrapper\r\n    return f(dbname, *args, **kwargs)\r\n  File \"/opt/odoo/odoo/http.py\", line 347, in checked_call\r\n    result = self.endpoint(*a, **kw)\r\n  File \"/opt/odoo/odoo/http.py\", line 912, in __call__\r\n    return self.method(*args, **kw)\r\n  File \"/opt/odoo/odoo/http.py\", line 531, in response_wrap\r\n    response = f(*args, **kw)\r\n  File \"/opt/odoo/odoo/addons/web/controllers/main.py\", line 1368, in call_button\r\n    action = self._call_kw(model, method, args, kwargs)\r\n  File \"/opt/odoo/odoo/addons/web/controllers/main.py\", line 1356, in _call_kw\r\n    return call_kw(request.env[model], method, args, kwargs)\r\n  File \"/opt/odoo/odoo/api.py\", line 396, in call_kw\r\n    result = _call_kw_multi(method, model, args, kwargs)\r\n  File \"/opt/odoo/odoo/api.py\", line 383, in _call_kw_multi\r\n    result = method(recs, *args, **kwargs)\r\n  File \"/opt/odoo/odoo/addons/mass_mailing/wizard/mailing_mailing_test.py\", line 54, in send_mail_test\r\n    mail = self.env['mail.mail'].sudo().create(mail_values)\r\n  File \"<decorator-gen-210>\", line 2, in create\r\n  File \"/opt/odoo/odoo/api.py\", line 344, in _model_create_multi\r\n    return create(self, [arg])\r\n  File \"/opt/odoo/odoo/addons/mass_mailing/models/mail_mail.py\", line 21, in create\r\n    mails = super(MailMail, self).create(values_list)\r\n  File \"<decorator-gen-155>\", line 2, in create\r\n  File \"/opt/odoo/odoo/api.py\", line 345, in _model_create_multi\r\n    return create(self, arg)\r\n  File \"/opt/odoo/custom-addons/mail_debrand/models/mail_render_mixinANDmail_mail.py\", line 98, in create\r\n    values_list[index][\"body_html\"] = self.env[\r\n  File \"/opt/odoo/custom-addons/mail_debrand/models/mail_render_mixinANDmail_mail.py\", line 18, in remove_href_odoo\r\n    has_odoo_link = re.search(r\"<a\\s(.*)odoo\\.com\", value, flags=re.IGNORECASE)\r\n  File \"/usr/lib/python3.8/re.py\", line 201, in search\r\n    return _compile(pattern, flags).search(string)\r\nException\r\n \r\nThe above exception was the direct cause of the following exception:\r\n \r\nTraceback (most recent call last):\r\n  File \"/opt/odoo/odoo/http.py\", line 639, in _handle_exception\r\n    return super(JsonRequest, self)._handle_exception(exception)\r\n  File \"/opt/odoo/odoo/http.py\", line 315, in _handle_exception\r\n    raise exception.with_traceback(None) from new_cause\r\nTypeError: cannot use a string pattern on a bytes-like object\n", "before_files": [{"content": "# Copyright 2019 O4SB - Graeme Gellatly\n# Copyright 2019 Tecnativa - Ernesto Tejeda\n# Copyright 2020 Onestein - Andrea Stirpe\n# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).\nimport re\n\nfrom lxml import etree, html\n\nfrom odoo import api, models\n\n\nclass MailRenderMixin(models.AbstractModel):\n    _inherit = \"mail.render.mixin\"\n\n    def remove_href_odoo(self, value, remove_parent=True, remove_before=False):\n        if len(value) < 20:\n            return value\n        has_odoo_link = re.search(r\"<a\\s(.*)odoo\\.com\", value, flags=re.IGNORECASE)\n        if has_odoo_link:\n            tree = etree.HTML(\n                value\n            )  # html with brlken links   tree = etree.fromstring(value) just xml\n            odoo_achors = tree.xpath('//a[contains(@href,\"odoo.com\")]')\n            for elem in odoo_achors:\n                parent = elem.getparent()\n                previous = elem.getprevious()\n\n                if remove_before and not remove_parent and previous:\n                    # remove 'using' that is before <a and after </span>\n                    bytes_text = etree.tostring(\n                        previous, pretty_print=True, method=\"html\"\n                    )\n                    only_what_is_in_tags = bytes_text[: bytes_text.rfind(b\">\") + 1]\n                    data_formatted = html.fromstring(only_what_is_in_tags)\n                    parent.replace(previous, data_formatted)\n                if len(parent.getparent()) and remove_parent:\n                    # anchor <a href odoo has a parent powered by that must be removed\n                    parent.getparent().remove(parent)\n                else:\n                    if parent.tag == \"td\":  # also here can be powerd by\n                        parent.getparent().remove(parent)\n                    else:\n                        parent.remove(elem)\n            value = etree.tostring(tree, pretty_print=True, method=\"html\")\n            # etree can return bytes; ensure we get a proper string\n            if type(value) is bytes:\n                value = value.decode()\n        return re.sub(\"[^(<)(</)]odoo\", \"\", value, flags=re.IGNORECASE)\n\n    @api.model\n    def _render_template(\n        self,\n        template_src,\n        model,\n        res_ids,\n        engine=\"jinja\",\n        add_context=None,\n        post_process=False,\n    ):\n        \"\"\"replace anything that is with odoo in templates\n        if is a <a that contains odoo will delete it completly\n        original:\n         Render the given string on records designed by model / res_ids using\n        the given rendering engine. Currently only jinja is supported.\n\n        :param str template_src: template text to render (jinja) or  (qweb)\n          this could be cleaned but hey, we are in a rush\n        :param str model: model name of records on which we want to perform rendering\n        :param list res_ids: list of ids of records (all belonging to same model)\n        :param string engine: jinja\n        :param post_process: perform rendered str / html post processing (see\n          ``_render_template_postprocess``)\n\n        :return dict: {res_id: string of rendered template based on record}\"\"\"\n        orginal_rendered = super()._render_template(\n            template_src,\n            model,\n            res_ids,\n            engine=\"jinja\",\n            add_context=None,\n            post_process=False,\n        )\n\n        for key in res_ids:\n            orginal_rendered[key] = self.remove_href_odoo(orginal_rendered[key])\n\n        return orginal_rendered\n\n\nclass MailMail(models.AbstractModel):\n    _inherit = \"mail.mail\"\n\n    # in messages from objects is adding using Odoo that we are going to remove\n\n    @api.model_create_multi\n    def create(self, values_list):\n        for index, _value in enumerate(values_list):\n            values_list[index][\"body_html\"] = self.env[\n                \"mail.render.mixin\"\n            ].remove_href_odoo(\n                values_list[index][\"body_html\"], remove_parent=0, remove_before=1\n            )\n\n        return super().create(values_list)\n", "path": "mail_debrand/models/mail_render_mixinANDmail_mail.py"}], "after_files": [{"content": "# Copyright 2019 O4SB - Graeme Gellatly\n# Copyright 2019 Tecnativa - Ernesto Tejeda\n# Copyright 2020 Onestein - Andrea Stirpe\n# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).\nimport re\n\nfrom lxml import etree, html\n\nfrom odoo import api, models\n\n\nclass MailRenderMixin(models.AbstractModel):\n    _inherit = \"mail.render.mixin\"\n\n    def remove_href_odoo(self, value, remove_parent=True, remove_before=False):\n        if len(value) < 20:\n            return value\n        # value can be bytes type; ensure we get a proper string\n        if type(value) is bytes:\n            value = value.decode()\n        has_odoo_link = re.search(r\"<a\\s(.*)odoo\\.com\", value, flags=re.IGNORECASE)\n        if has_odoo_link:\n            tree = etree.HTML(\n                value\n            )  # html with broken links   tree = etree.fromstring(value) just xml\n            odoo_achors = tree.xpath('//a[contains(@href,\"odoo.com\")]')\n            for elem in odoo_achors:\n                parent = elem.getparent()\n                previous = elem.getprevious()\n\n                if remove_before and not remove_parent and previous:\n                    # remove 'using' that is before <a and after </span>\n                    bytes_text = etree.tostring(\n                        previous, pretty_print=True, method=\"html\"\n                    )\n                    only_what_is_in_tags = bytes_text[: bytes_text.rfind(b\">\") + 1]\n                    data_formatted = html.fromstring(only_what_is_in_tags)\n                    parent.replace(previous, data_formatted)\n                if remove_parent and len(parent.getparent()):\n                    # anchor <a href odoo has a parent powered by that must be removed\n                    parent.getparent().remove(parent)\n                else:\n                    if parent.tag == \"td\":  # also here can be powerd by\n                        parent.getparent().remove(parent)\n                    else:\n                        parent.remove(elem)\n            value = etree.tostring(tree, pretty_print=True, method=\"html\")\n            # etree can return bytes; ensure we get a proper string\n            if type(value) is bytes:\n                value = value.decode()\n        return re.sub(\"[^(<)(</)]odoo\", \"\", value, flags=re.IGNORECASE)\n\n    @api.model\n    def _render_template(\n        self,\n        template_src,\n        model,\n        res_ids,\n        engine=\"jinja\",\n        add_context=None,\n        post_process=False,\n    ):\n        \"\"\"replace anything that is with odoo in templates\n        if is a <a that contains odoo will delete it completly\n        original:\n         Render the given string on records designed by model / res_ids using\n        the given rendering engine. Currently only jinja is supported.\n\n        :param str template_src: template text to render (jinja) or  (qweb)\n          this could be cleaned but hey, we are in a rush\n        :param str model: model name of records on which we want to perform rendering\n        :param list res_ids: list of ids of records (all belonging to same model)\n        :param string engine: jinja\n        :param post_process: perform rendered str / html post processing (see\n          ``_render_template_postprocess``)\n\n        :return dict: {res_id: string of rendered template based on record}\"\"\"\n        orginal_rendered = super()._render_template(\n            template_src,\n            model,\n            res_ids,\n            engine=\"jinja\",\n            add_context=None,\n            post_process=False,\n        )\n\n        for key in res_ids:\n            orginal_rendered[key] = self.remove_href_odoo(orginal_rendered[key])\n\n        return orginal_rendered\n\n\nclass MailMail(models.AbstractModel):\n    _inherit = \"mail.mail\"\n\n    # in messages from objects is adding using Odoo that we are going to remove\n\n    @api.model_create_multi\n    def create(self, values_list):\n        for index, _value in enumerate(values_list):\n            values_list[index][\"body_html\"] = self.env[\n                \"mail.render.mixin\"\n            ].remove_href_odoo(\n                values_list[index][\"body_html\"], remove_parent=0, remove_before=1\n            )\n\n        return super().create(values_list)\n", "path": "mail_debrand/models/mail_render_mixinANDmail_mail.py"}]}