Update server.py

server.py

@@ -267,6 +267,7 @@ class VirtualGPUServer:
                 del self.active_sessions[session_id]
 
     def get_stats(self) -> dict:
+        current_time = time.time()
         uptime = current_time - self.start_time
         ops_per_second = self.ops_counter / uptime if uptime > 0 else 0