fix: Address formatting and type checking issues

tests/issues/test_100_tool_listing.py

@@ -3,25 +3,32 @@ from mcp.server.fastmcp import FastMCP
 
 pytestmark = pytest.mark.anyio
 
+
 async def test_list_tools_returns_all_tools():
     mcp = FastMCP("TestTools")
-    
+
     # Create 100 tools with unique names
     num_tools = 100
     for i in range(num_tools):
+
         @mcp.tool(name=f"tool_{i}")
         def dummy_tool_func():
             f"""Tool number {i}"""
             return i
-        globals()[f'dummy_tool_{i}'] = dummy_tool_func  # Keep reference to avoid garbage collection
-    
+
+        globals()[f"dummy_tool_{i}"] = (
+            dummy_tool_func  # Keep reference to avoid garbage collection
+        )
+
     # Get all tools
     tools = await mcp.list_tools()
-    
+
     # Verify we get all tools
     assert len(tools) == num_tools, f"Expected {num_tools} tools, but got {len(tools)}"
-    
+
     # Verify each tool is unique and has the correct name
     tool_names = [tool.name for tool in tools]
     expected_names = [f"tool_{i}" for i in range(num_tools)]
-    assert sorted(tool_names) == sorted(expected_names), "Tool names don't match expected names"
+    assert sorted(tool_names) == sorted(
+        expected_names
+    ), "Tool names don't match expected names"