diff --git a/bookwyrm/sanitize_html.py b/bookwyrm/sanitize_html.py
index 538264fc..4edd2818 100644
--- a/bookwyrm/sanitize_html.py
+++ b/bookwyrm/sanitize_html.py
@@ -22,9 +22,7 @@ class InputHtmlParser(HTMLParser):  # pylint: disable=abstract-method
             "ol",
             "li",
         ]
-        self.allowed_attrs = [
-            "href", "rel", "src", "alt"
-        ]
+        self.allowed_attrs = ["href", "rel", "src", "alt"]
         self.tag_stack = []
         self.output = []
         # if the html appears invalid, we just won't allow any at all
@@ -36,7 +34,7 @@ class InputHtmlParser(HTMLParser):  # pylint: disable=abstract-method
             allowed_attrs = " ".join(
                 f'{a}="{v}"' for a, v in attrs if a in self.allowed_attrs
             )
-            reconstructed = f'<{tag}'
+            reconstructed = f"<{tag}"
             if allowed_attrs:
                 reconstructed += " " + allowed_attrs
             reconstructed += ">"
diff --git a/bookwyrm/tests/test_sanitize_html.py b/bookwyrm/tests/test_sanitize_html.py
index 572f8332..5814f220 100644
--- a/bookwyrm/tests/test_sanitize_html.py
+++ b/bookwyrm/tests/test_sanitize_html.py
@@ -37,10 +37,7 @@ class Sanitizer(TestCase):
         parser = InputHtmlParser()
         parser.feed(input_text)
         output = parser.get_output()
-        self.assertEqual(
-            output,
-            '<a href="fish.com">yes    </a> <i>html</i>'
-        )
+        self.assertEqual(output, '<a href="fish.com">yes    </a> <i>html</i>')
 
     def test_invalid_html(self):
         """remove all html when the html is malformed"""