updated linting rules to account for template's lack of docstrings; m…

…inor changes to utils module

backend/app/utils.py

@@ -1,6 +1,6 @@
 import logging
 from dataclasses import dataclass
-from datetime import datetime, timedelta
+from datetime import UTC, datetime, timedelta
 from pathlib import Path
 from typing import Any
 
@@ -22,16 +22,15 @@ def render_email_template(*, template_name: str, context: dict[str, Any]) -> str
     template_str = (
         Path(__file__).parent / "email-templates" / "build" / template_name
     ).read_text()
-    html_content = Template(template_str).render(context)
-    return html_content
+    return Template(template_str).render(context)
 
 
 def send_email(
     *,
     email_to: str,
     subject: str = "",
     html_content: str = "",
-) -> None:
+) -> None:  # sourcery skip: use-fstring-for-concatenation
     assert settings.emails_enabled, "no provided configuration for email variables"
     message = emails.Message(
         subject=subject,
@@ -48,7 +47,7 @@ def send_email(
     if settings.SMTP_PASSWORD:
         smtp_options["password"] = settings.SMTP_PASSWORD
     response = message.send(to=email_to, smtp=smtp_options)
-    logging.info(f"send email result: {response}")
+    logging.info("send email result: %s", response)
 
 
 def generate_test_email(email_to: str) -> EmailData:
@@ -98,15 +97,14 @@ def generate_new_account_email(
 
 def generate_password_reset_token(email: str) -> str:
     delta = timedelta(hours=settings.EMAIL_RESET_TOKEN_EXPIRE_HOURS)
-    now = datetime.utcnow()
+    now = datetime.now(UTC)
     expires = now + delta
     exp = expires.timestamp()
-    encoded_jwt = jwt.encode(
+    return jwt.encode(
         {"exp": exp, "nbf": now, "sub": email},
         settings.SECRET_KEY,
         algorithm="HS256",
     )
-    return encoded_jwt
 
 
 def verify_password_reset_token(token: str) -> str | None: