diff --git a/data.py b/data.py
index 05785e5..4e95dd9 100644
--- a/data.py
+++ b/data.py
@@ -255,7 +255,10 @@ class LinkData:
                 new_replies = [i for i in replies if i[2] >= config.USER.lastlogin]
                 if replies:
                     last_modified_timestamp = str(
-                        max(float(timestamp), max([float(i[2]) for i in replies if i[2]]))
+                        max(
+                            float(timestamp),
+                            max([float(i[2]) for i in replies if i[2]]),
+                        )
                     )
                 else:
                     last_modified_timestamp = timestamp
diff --git a/linkulator.py b/linkulator.py
index c4d2ff2..a7b81d2 100755
--- a/linkulator.py
+++ b/linkulator.py
@@ -75,10 +75,18 @@ def print_category_details(view_cat):
         link_count += 1
         thread_index[link_count] = link["postid"]
         desc = textwrap.shorten(link["description"], width=desclen, placeholder="...")
-        newmarker = "*" if link["last_modified_timestamp"] >= config.USER.lastlogin else ""
+        newmarker = (
+            "*" if link["last_modified_timestamp"] >= config.USER.lastlogin else ""
+        )
         _dt = datetime.fromtimestamp(float(link["link_timestamp"])).strftime("%Y-%m-%d")
         out += " {:3d}  {:>10s}  {:<{namelen}s}  [{:3d}]  {:s}{}\n".format(
-            link_count, _dt, link["link_author"], link["reply_count"], desc, newmarker, namelen=namelen
+            link_count,
+            _dt,
+            link["link_author"],
+            link["reply_count"],
+            desc,
+            newmarker,
+            namelen=namelen,
         )
 
     if len(out) > 0:
@@ -268,15 +276,17 @@ def is_valid_input(entry: str) -> bool:
         return False
     return True
 
+
 def is_correct_category(entry: str) -> bool:
     """Make sure the user purposefully created a new category and not by
     accident (mistyped, tried to use category number instead of name)"""
-    if entry not in [ record["name"] for record in categories ]:
+    if entry not in [record["name"] for record in categories]:
         question = "Do you want to create a new category '{}'? Y/[N]".format(entry)
         answer = input(question).lower().strip()
         return answer != "" and answer[0] == "y"
     return True
 
+
 def get_input(item: str) -> str:
     """Get user input with the specified prompt, validate and return it, or
     break if invalid"""
@@ -398,7 +408,9 @@ def menu_view_category_details(cat_index):
             menu_view_thread_details(post_id)
         except (KeyError, ValueError):
             # Catch a Post ID that is not in the thread list or is not a number
-            print("{}\n\n".format(style_text("Invalid category ID/entry", False, "bold")))
+            print(
+                "{}\n\n".format(style_text("Invalid category ID/entry", False, "bold"))
+            )
 
 
 def menu_view_thread_details(post_id):
@@ -450,7 +462,7 @@ def style_text(text: str, is_input: bool, *args) -> str:
         # (ctrl+shift+esc+E to enable evil mode.)
         "inverse": "\033[7m",  # Make fg and bg color swap
         "rl_left_fix": "\001" if is_input else "",
-        "rl_right_fix": "\002" if is_input else ""
+        "rl_right_fix": "\002" if is_input else "",
     }
     out = ""
     for arg in args:
diff --git a/setup.py b/setup.py
index 1fbb5b2..ce038f1 100644
--- a/setup.py
+++ b/setup.py
@@ -18,5 +18,5 @@ setup(
         "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
         "Operating System :: POSIX",
     ],
-    python_requires='>=3.6',
+    python_requires=">=3.6",
 )