ruff: Fix N812 lowercase imported as non-lowercase.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

zerver/lib/email_notifications.py

@@ -17,7 +17,7 @@ from django.contrib.auth import get_backends
 from django.utils.timezone import now as timezone_now
 from django.utils.translation import gettext as _
 from django.utils.translation import override as override_language
-from lxml.html import builder as E
+from lxml.html import builder as e
 
 from confirmation.models import one_click_unsubscribe_link
 from zerver.decorator import statsd_increment
@@ -85,7 +85,7 @@ def relative_to_full_url(fragment: lxml.html.HtmlElement, base_url: str) -> None
         title_attr = {} if image_title is None else {"title": image_title}
         inner.clear()
         inner.tag = "p"
-        inner.append(E.A(image_link, href=image_link, target="_blank", **title_attr))
+        inner.append(e.A(image_link, href=image_link, target="_blank", **title_attr))
     else:
         # Inline images can't be displayed in the emails as the request
         # from the mail server can't be authenticated because it has no
@@ -111,7 +111,7 @@ def fix_emojis(fragment: lxml.html.HtmlElement, base_url: str, emojiset: str) ->
         emoji_name = emoji_span_elem.get("title")
         alt_code = emoji_span_elem.text
         image_url = base_url + f"/static/generated/emoji/images-{emojiset}-64/{emoji_code}.png"
-        img_elem = E.IMG(alt=alt_code, src=image_url, title=emoji_name, style="height: 20px;")
+        img_elem = e.IMG(alt=alt_code, src=image_url, title=emoji_name, style="height: 20px;")
         img_elem.tail = emoji_span_elem.tail
         return img_elem
 
@@ -135,13 +135,13 @@ def fix_spoilers_in_html(fragment: lxml.html.HtmlElement, language: str) -> None
         header_content = header.find("p")
         if header_content is None:
             # Create a new element to append the spoiler to)
-            header_content = E.P()
+            header_content = e.P()
             header.append(header_content)
         else:
             # Add a space.
             rear = header_content[-1] if len(header_content) else header_content
             rear.tail = (rear.tail or "") + " "
-        span_elem = E.SPAN(f"({spoiler_title})", **E.CLASS("spoiler-title"), title=spoiler_title)
+        span_elem = e.SPAN(f"({spoiler_title})", **e.CLASS("spoiler-title"), title=spoiler_title)
         header_content.append(span_elem)
         header.drop_tag()
         spoiler_content.drop_tree()