test cases fix

Signed-off-by: NAYANA.R <nayana.r7813@gmail.com>

Author: Nayana-R-Gowda

mcpgateway/observability.py

@@ -97,7 +97,6 @@ def create(attrs: Dict[str, Any]) -> Dict[str, Any]:  # type: ignore[override]
     # Provide minimal module shims so tests can patch ConsoleSpanExporter path
     try:
         # Standard
-        import sys
         import types
 
         if ("pytest" in sys.modules) or (os.getenv("MCP_TESTING") == "1"):