Issue #4 in PySCXML: transition also exits & enters again unaffected states

gistfile1.py

import time

from scxml.pyscxml import StateMachine
import logging
logging.basicConfig(level=logging.NOTSET) # show detailed debug info

xml = '''
<scxml xmlns="http://www.w3.org/2005/07/scxml" version="1.0">
    <state id="main">
        <onentry>
           <log expr="'hello main'"/>
        </onentry>

        <parallel>
            <state id="P1">
                <onentry>
                   <log expr="'hello P1'"/>
                </onentry>
        
                <transition event="p1x" target="P1f">
                   <log expr="'transition event p1x'" />
                </transition>
        
                <onexit>
                   <log expr="'bye P1'"/>
                </onexit>
                
                <state id="bla1">
                    <onentry>
                       <log expr="'hello bla1'"/>
                    </onentry>
                    <onexit>
                       <log expr="'bye bla1'"/>
                    </onexit>
                </state>
                
                <final id="P1f">
                    <onentry>
                       <log expr="'hello final P1f'"/>
                    </onentry>
                </final>
            </state>
            
            <state id="P2">
                <onentry>
                   <log expr="'hello P2'"/>
                </onentry>
        
                <transition event="p2x" target="P2f">
                   <log expr="'transition event p2x'" />
                </transition>
        
                <onexit>
                   <log expr="'bye P2'"/>
                </onexit>
                
                <state id="bla2">
                    <onentry>
                       <log expr="'hello bla2'"/>
                    </onentry>
                    <onexit>
                       <log expr="'bye bla2'"/>
                    </onexit>
                </state>
                
                <final id="P2f">
                    <onentry>
                       <log expr="'hello final P2f'"/>
                    </onentry>
                </final>
            </state>
        </parallel>
        
        <transition event="e" target="f">
           <log expr="'transition event e'" />
        </transition>

        <onexit>
           <log expr="'bye main'"/>
        </onexit>
    </state>

    <final id="f">
        <onentry>
           <log expr="'hello final f'"/>
        </onentry>
    </final>
</scxml>
'''


if __name__ == '__main__':
    sm = StateMachine(xml)
    sm.start_threaded()
    time.sleep(1) #needed, as an immediate send might get ignored, also see issue #3 in PySCXML
    sm.send("p1x")
    time.sleep(1)

gistfile2.pytb

hello main
hello P1
hello bla1
hello P2
hello bla2
INFO:pyscxml.pyscxml_session_43744504.interpreter:external event found: p1x
bye bla2
bye P2
bye bla1
bye P1
transition event p1x
hello P1
hello final P1f
hello P2
hello bla2
INFO:pyscxml.pyscxml_session_43744504.interpreter:new config: {main, main_parall
el_child_3, P1, P1f, P2, bla2}
INFO:pyscxml.pyscxml_session_43744504.interpreter:internal event found: done.sta
te.P1

gistfile3.txt

Inspecting the log, the following things should *not* happen:

7 bye bla2
8 bye P2

10 bye P1

12 hello P1

14 hello P2
15 hello bla2