diff --git a/personal_data/__main__.py b/personal_data/__main__.py
index bf6cdc2..351158e 100644
--- a/personal_data/__main__.py
+++ b/personal_data/__main__.py
@@ -7,11 +7,15 @@ import personal_data.main
 def parse_arguments():
     available_scraper_names = personal_data.main.available_scraper_names()
     parser = argparse.ArgumentParser()
-    parser.add_argument('fetchers', metavar='FETCHER', type=str, nargs='+',
-                        choices=available_scraper_names)
+    parser.add_argument(
+        'fetchers',
+        metavar='FETCHER',
+        type=str,
+        nargs='+',
+        choices=available_scraper_names,
+    )
     parser.add_argument('--cookiejar', action='store_true')
-    parser.add_argument('--email', action='store_true',
-                        dest='send_email_notification')
+    parser.add_argument('--email', action='store_true', dest='send_email_notification')
     return parser.parse_args()
 
 
@@ -20,8 +24,11 @@ def main():
     logging.getLogger('personal_data').setLevel('INFO')
     args = parse_arguments()
     scraper_filter = frozenset(args.fetchers)
-    personal_data.main.main(scraper_filter, use_cookiejar=args.cookiejar,
-                            send_email_notification = args.send_email_notification)
+    personal_data.main.main(
+        scraper_filter,
+        use_cookiejar=args.cookiejar,
+        send_email_notification=args.send_email_notification,
+    )
 
 
 if __name__ == '__main__':
diff --git a/personal_data/fetchers/psnprofiles.py b/personal_data/fetchers/psnprofiles.py
index 3a08b95..1a7ae64 100644
--- a/personal_data/fetchers/psnprofiles.py
+++ b/personal_data/fetchers/psnprofiles.py
@@ -1,5 +1,4 @@
 import dataclasses
-import datetime
 import logging
 import re
 from collections.abc import Iterator
@@ -16,6 +15,7 @@ logger = logging.getLogger(__name__)
 URL_PROFILE = 'https://psnprofiles.com/{psn_id}'
 URL_USER_GAME_TROPHIES = 'https://psnprofiles.com/trophies/{game_id}/{psn_id}'
 
+
 def game_psnprofiles_id_from_url(relative_url: str) -> int:
     m = re.match(r'/(?:trophy|trophies)/(\d+)\-(?:[\w-]+)(/[\w-]*)?', relative_url)
     result = m.group(1)
@@ -117,7 +117,9 @@ class PsnProfilesScraper(Scraper):
             if len(small_infos) > 2:
                 time_played_div = small_infos[2]
                 time_played_div.sup.extract()
-                time_played = personal_data.parse_util.parse_date(time_played_div.get_text())
+                time_played = personal_data.parse_util.parse_date(
+                    time_played_div.get_text(),
+                )
             else:
                 time_played = None
 
diff --git a/personal_data/main.py b/personal_data/main.py
index bf12c26..e239d0e 100644
--- a/personal_data/main.py
+++ b/personal_data/main.py
@@ -1,5 +1,4 @@
 import csv
-from collections.abc import Iterator
 import datetime
 import io
 import logging
@@ -177,15 +176,21 @@ def send_notification(
         body.append(f'{k}: {v}\n')
     mailgun.send_email(session, f'Updated {scraper_name}', ''.join(body))
 
+
 def available_scrapers() -> list[type[personal_data.data.Scraper]]:
     return personal_data.data.Scraper.__subclasses__()
 
+
 def available_scraper_names() -> list[str]:
     return [scraper_cls.__name__ for scraper_cls in available_scrapers()]
 
 
-def main(scraper_filter: frozenset[str], *, use_cookiejar: bool,
-         send_email_notification: bool = False) -> None:
+def main(
+    scraper_filter: frozenset[str],
+    *,
+    use_cookiejar: bool,
+    send_email_notification: bool = False,
+) -> None:
     if use_cookiejar:
         cookiejar = browsercookie.firefox()
         logger.info('Got cookiejar from firefox: %s cookies', len(cookiejar))
diff --git a/personal_data/parse_util.py b/personal_data/parse_util.py
index c619f2a..8fa0312 100644
--- a/personal_data/parse_util.py
+++ b/personal_data/parse_util.py
@@ -28,14 +28,17 @@ def parse_duration(text: str) -> datetime.timedelta:
     unit = DATETIME_UNITS[unit]
     return unit * num
 
+
 def parse_response_datetime(response) -> datetime.datetime:
     return datetime.datetime.strptime(response.headers['Date'], FORMAT_DATE_HEADER)
 
+
 def parse_time(text: str) -> datetime.datetime:
     text = text.replace('\n', ' ')
     text = text.strip()
     return datetime.datetime.strptime(text, '%d %b %Y %I:%M:%S %p')
 
+
 def parse_date(text: str) -> datetime.date:
     return datetime.datetime.strptime(
         text.strip(),