diff --git a/scripts/mcp_server.py b/scripts/mcp_server.py
index 05497cb9..299dd287 100644
--- a/scripts/mcp_server.py
+++ b/scripts/mcp_server.py
@@ -1,4 +1,5 @@
 from serena.mcp import create_mcp_server
+
 mcp = create_mcp_server()
 
 if __name__ == "__main__":
diff --git a/src/serena/llm/prompt_factory.py b/src/serena/llm/prompt_factory.py
index 989aca7e..27b6a89c 100644
--- a/src/serena/llm/prompt_factory.py
+++ b/src/serena/llm/prompt_factory.py
@@ -38,9 +38,7 @@ class PromptFactory:
         return self._format_prompt("summarize_changes", locals())
 
     def create_prepare_for_new_conversation(self) -> str:
-        return self._format_prompt('prepare_for_new_conversation', locals())
+        return self._format_prompt("prepare_for_new_conversation", locals())
 
     def create_system_prompt(self) -> str:
-        return self._format_prompt('system_prompt', locals())
-
-
+        return self._format_prompt("system_prompt", locals())
diff --git a/src/serena/mcp.py b/src/serena/mcp.py
index b795d3e6..c2f7fb29 100644
--- a/src/serena/mcp.py
+++ b/src/serena/mcp.py
@@ -97,4 +97,4 @@ def create_mcp_server() -> FastMCP:
 
 
 def start_mcp_server():
-    create_mcp_server().run()
\ No newline at end of file
+    create_mcp_server().run()