We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Add canonicals to category page
For example this two pages contains no canonicals:
- https://www.shopelectro.ru/catalog/categories/akkumuliatory-270/tags/li-ro_hbced/?page=2
- ~https://www.shopelectro.ru/catalog/categories/akkumuliatory-270/?page=2~ checked - it contains canonical
Add canonicals to category page
For example this two pages contains no canonicals:
- https://www.shopelectro.ru/catalog/categories/akkumuliatory-270/tags/li-ro_hbced/?page=2
- ~https://www.shopelectro.ru/catalog/categories/akkumuliatory-270/?page=2~ checked - it contains canonical

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `shopelectro/context.py`
Content:
```
1 from functools import partial
2 
3 from catalog.newcontext import Context, Tags
4 
5 
6 class Page(Context):
7 
8     def __init__(self, page, tags: Tags):
9         self._page = page
10         self._tags = tags
11 
12     def context(self):
13         def template_context(page, tag_titles, tags):
14             return {
15                 'page': page,
16                 'tag_titles': tag_titles,
17                 'tags': tags,
18             }
19 
20         tags_qs = self._tags.qs()
21         self._page.get_template_render_context = partial(
22             template_context, self._page, tags_qs.as_title(), tags_qs
23         )
24 
25         return {
26             'page': self._page,
27             'skip_canonical': tags_qs.exists(),
28         }
29
```
--- 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/shopelectro/context.py b/shopelectro/context.py
--- a/shopelectro/context.py
+++ b/shopelectro/context.py
@@ -24,5 +24,4 @@
 
         return {
             'page': self._page,
-            'skip_canonical': tags_qs.exists(),
         }

{"golden_diff": "diff --git a/shopelectro/context.py b/shopelectro/context.py\n--- a/shopelectro/context.py\n+++ b/shopelectro/context.py\n@@ -24,5 +24,4 @@\n \n         return {\n             'page': self._page,\n-            'skip_canonical': tags_qs.exists(),\n         }\n", "issue": "Add canonicals to category page\nFor example this two pages contains no canonicals:\r\n- https://www.shopelectro.ru/catalog/categories/akkumuliatory-270/tags/li-ro_hbced/?page=2\r\n- ~https://www.shopelectro.ru/catalog/categories/akkumuliatory-270/?page=2~ checked - it contains canonical\nAdd canonicals to category page\nFor example this two pages contains no canonicals:\r\n- https://www.shopelectro.ru/catalog/categories/akkumuliatory-270/tags/li-ro_hbced/?page=2\r\n- ~https://www.shopelectro.ru/catalog/categories/akkumuliatory-270/?page=2~ checked - it contains canonical\n", "before_files": [{"content": "from functools import partial\n\nfrom catalog.newcontext import Context, Tags\n\n\nclass Page(Context):\n\n    def __init__(self, page, tags: Tags):\n        self._page = page\n        self._tags = tags\n\n    def context(self):\n        def template_context(page, tag_titles, tags):\n            return {\n                'page': page,\n                'tag_titles': tag_titles,\n                'tags': tags,\n            }\n\n        tags_qs = self._tags.qs()\n        self._page.get_template_render_context = partial(\n            template_context, self._page, tags_qs.as_title(), tags_qs\n        )\n\n        return {\n            'page': self._page,\n            'skip_canonical': tags_qs.exists(),\n        }\n", "path": "shopelectro/context.py"}], "after_files": [{"content": "from functools import partial\n\nfrom catalog.newcontext import Context, Tags\n\n\nclass Page(Context):\n\n    def __init__(self, page, tags: Tags):\n        self._page = page\n        self._tags = tags\n\n    def context(self):\n        def template_context(page, tag_titles, tags):\n            return {\n                'page': page,\n                'tag_titles': tag_titles,\n                'tags': tags,\n            }\n\n        tags_qs = self._tags.qs()\n        self._page.get_template_render_context = partial(\n            template_context, self._page, tags_qs.as_title(), tags_qs\n        )\n\n        return {\n            'page': self._page,\n        }\n", "path": "shopelectro/context.py"}]}