fix: Address formatting and type checking issues

examples/fastmcp/unicode_example.py

@@ -8,7 +8,10 @@ from mcp.server.fastmcp import FastMCP
 mcp = FastMCP()
 
 
-@mcp.tool(description="🌟 A tool that uses various Unicode characters in its description: á é í ó ú ñ 漢字 🎉")
+@mcp.tool(
+    description="🌟 A tool that uses various Unicode characters in its description: "
+    "á é í ó ú ñ 漢字 🎉"
+)
 def hello_unicode(name: str = "世界", greeting: str = "¡Hola") -> str:
     """
     A simple tool that demonstrates Unicode handling in:
@@ -31,29 +34,31 @@ def list_emoji_categories() -> list[str]:
         "🌍 Travel & Places",
         "💡 Objects",
         "❤️ Symbols",
-        "🚩 Flags"
+        "🚩 Flags",
     ]
 
 
 @mcp.tool(description="🔤 Tool that returns text in different scripts")
 def multilingual_hello() -> str:
     """Returns hello in different scripts and writing systems."""
-    return "\n".join([
-        "English: Hello!",
-        "Spanish: ¡Hola!",
-        "French: Bonjour!",
-        "German: Grüß Gott!",
-        "Russian: Привет!",
-        "Greek: Γεια σας!",
-        "Hebrew: !שָׁלוֹם",
-        "Arabic: !مرحبا",
-        "Hindi: नमस्ते!",
-        "Chinese: 你好!",
-        "Japanese: こんにちは!",
-        "Korean: 안녕하세요!",
-        "Thai: สวัสดี!",
-    ])
+    return "\n".join(
+        [
+            "English: Hello!",
+            "Spanish: ¡Hola!",
+            "French: Bonjour!",
+            "German: Grüß Gott!",
+            "Russian: Привет!",
+            "Greek: Γεια σας!",
+            "Hebrew: !שָׁלוֹם",
+            "Arabic: !مرحبا",
+            "Hindi: नमस्ते!",
+            "Chinese: 你好!",
+            "Japanese: こんにちは!",
+            "Korean: 안녕하세요!",
+            "Thai: สวัสดี!",
+        ]
+    )
 
 
 if __name__ == "__main__":
-    mcp.run()
+    mcp.run()