Merge branch 'feature_bullseye' into feature_qgen_integration

dmt/B_mappers/python_B_mapper.py

@@ -151,7 +151,8 @@ def OnStartup(modelingLanguage: str,
             g_bodyPython.append('        while True:')
             g_bodyPython.append('            if self._bDie:')
             g_bodyPython.append('                return')
-            g_bodyPython.append('            self._msgQueue = OpenMsgQueueForReading(str(os.geteuid()) + "_' + maybeFVname + '_PI_Python_queue")')
+            g_bodyPython.append('            queue_name = str(os.geteuid()) + "_' + maybeFVname + '_PI_Python_queue"')
+            g_bodyPython.append('            self._msgQueue = OpenMsgQueueForReading(queue_name.encode("utf-8"))')
             g_bodyPython.append('            if (self._msgQueue != -1): break')
             g_bodyPython.append('            print("Communication channel over %%d_%s_PI_Python_queue not established yet...\\n" %% os.geteuid())' % maybeFVname)
             g_bodyPython.append('            time.sleep(1)')