diff --git a/aider/coder.py b/aider/coder.py
index 45508b31d..10d87e67b 100755
--- a/aider/coder.py
+++ b/aider/coder.py
@@ -10,8 +10,6 @@ from rich.prompt import Confirm, Prompt
 from rich.live import Live
 from rich.text import Text
 from rich.markdown import Markdown
-from rich.syntax import Syntax
-
 from pathlib import Path
 
 import git
diff --git a/aider/commands.py b/aider/commands.py
index 3fe441358..5c25b4382 100644
--- a/aider/commands.py
+++ b/aider/commands.py
@@ -43,15 +43,16 @@ class Commands:
         rest_inp = inp[len(words[0]) :]
 
         all_commands = self.get_commands()
-        matching_commands = [cmd for cmd in all_commands if cmd.startswith(first_word)]
-
+        matching_commands = [
+            cmd for cmd in all_commands if cmd.startswith(first_word)
+        ]
         if len(matching_commands) == 1:
             if matching_commands[0] == "/help":
                 self.help()
             else:
                 self.do_run(matching_commands[0][1:], rest_inp)
         elif len(matching_commands) > 1:
-            self.console.print("[red]Ambiguous command:", ", ".join(matching_commands))
+            self.console.print(f"[red]Ambiguous command: {', '.join(matching_commands)}")
         else:
             self.console.print(f"[red]Error: {first_word} is not a valid command.")