new attempt to fix monitor

diva_evaluation_cli/bin/private_src/implementation/resources_monitoring/monitor.py

@@ -106,7 +106,7 @@ class Monitor():
 
         # Try to retrieve the main_process
         try:
-            process = psutil.Process(self.main_process_pid)
+            process = psutil.Process(self.main_process.pid)
 
             # Load the NVIDIA handler
             with NvmlHandler() as nvml_h:
@@ -131,4 +131,4 @@ class Monitor():
 
         except Exception as e:
             logger.warning(e)
-            logger.info('PID {} not available for monitoring'.format(self.main_process_pid))
+            logger.info('PID {} not available for monitoring'.format(self.main_process.pid))