py: Fix bug with dual initialisation of RT_UNARY_OP_NOT.
py: Fix bug with dual initialisation of RT_UNARY_OP_NOT.

Fixes Issue #261.

tdautc19841202/micropython,dinau/micropython,chrisdearman/micropython,EcmaXp/micropython,alex-robbins/micropython,ceramos/micropython,aethaniel/micropython,Vogtinator/micropython,drrk/micropython,jlillest/micropython,methoxid/micropystat,jimkmc/micropython,xuxiaoxin/micropython,tralamazza/micropython,swegener/micropython,emfcamp/micropython,PappaPeppar/micropython,MrSurly/micropython-esp32,tuc-osg/micropython,pramasoul/micropython,dmazzella/micropython,hiway/micropython,dxxb/micropython,firstval/micropython,pramasoul/micropython,HenrikSolver/micropython,utopiaprince/micropython,PappaPeppar/micropython,skybird6672/micropython,tobbad/micropython,paul-xxx/micropython,aethaniel/micropython,aethaniel/micropython,MrSurly/micropython,vriera/micropython,pramasoul/micropython,hosaka/micropython,Timmenem/micropython,ryannathans/micropython,cloudformdesign/micropython,orionrobots/micropython,lowRISC/micropython,noahchense/micropython,henriknelson/micropython,neilh10/micropython,bvernoux/micropython,MrSurly/micropython-esp32,cwyark/micropython,trezor/micropython,PappaPeppar/micropython,jlillest/micropython,Timmenem/micropython,galenhz/micropython,mhoffma/micropython,toolmacher/micropython,utopiaprince/micropython,mhoffma/micropython,lbattraw/micropython,SHA2017-badge/micropython-esp32,kostyll/micropython,turbinenreiter/micropython,KISSMonX/micropython,hiway/micropython,turbinenreiter/micropython,tuc-osg/micropython,noahchense/micropython,bvernoux/micropython,methoxid/micropystat,trezor/micropython,ahotam/micropython,ruffy91/micropython,kerneltask/micropython,dhylands/micropython,slzatz/micropython,dxxb/micropython,emfcamp/micropython,rubencabrera/micropython,galenhz/micropython,Vogtinator/micropython,kostyll/micropython,mianos/micropython,chrisdearman/micropython,cwyark/micropython,supergis/micropython,kostyll/micropython,cloudformdesign/micropython,vitiral/micropython,selste/micropython,neilh10/micropython,vriera/micropython,dxxb/micropython,Peetz0r/micropython-esp32,MrSurly/micropython,dinau/micropython,AriZuu/micropython,ernesto-g/micropython,dmazzella/micropython,methoxid/micropystat,danicampora/micropython,selste/micropython,tdautc19841202/micropython,mpalomer/micropython,deshipu/micropython,tobbad/micropython,TDAbboud/micropython,alex-march/micropython,blmorris/micropython,martinribelotta/micropython,mpalomer/micropython,HenrikSolver/micropython,chrisdearman/micropython,swegener/micropython,adamkh/micropython,Timmenem/micropython,pozetroninc/micropython,firstval/micropython,cloudformdesign/micropython,orionrobots/micropython,vitiral/micropython,adafruit/circuitpython,noahchense/micropython,infinnovation/micropython,ganshun666/micropython,pramasoul/micropython,suda/micropython,adamkh/micropython,xhat/micropython,jimkmc/micropython,kerneltask/micropython,TDAbboud/micropython,mianos/micropython,PappaPeppar/micropython,adafruit/circuitpython,pozetroninc/micropython,tuc-osg/micropython,stonegithubs/micropython,Peetz0r/micropython-esp32,firstval/micropython,ericsnowcurrently/micropython,hosaka/micropython,turbinenreiter/micropython,alex-march/micropython,adamkh/micropython,ryannathans/micropython,henriknelson/micropython,bvernoux/micropython,methoxid/micropystat,dhylands/micropython,emfcamp/micropython,galenhz/micropython,omtinez/micropython,pozetroninc/micropython,martinribelotta/micropython,lowRISC/micropython,xuxiaoxin/micropython,xyb/micropython,paul-xxx/micropython,HenrikSolver/micropython,henriknelson/micropython,micropython/micropython-esp32,toolmacher/micropython,jmarcelino/pycom-micropython,deshipu/micropython,dmazzella/micropython,noahwilliamsson/micropython,PappaPeppar/micropython,ahotam/micropython,jlillest/micropython,utopiaprince/micropython,Peetz0r/micropython-esp32,ChuckM/micropython,redbear/micropython,adafruit/micropython,ericsnowcurrently/micropython,jlillest/micropython,aitjcize/micropython,ernesto-g/micropython,cnoviello/micropython,infinnovation/micropython,rubencabrera/micropython,MrSurly/micropython,aitjcize/micropython,bvernoux/micropython,martinribelotta/micropython,dinau/micropython,drrk/micropython,supergis/micropython,praemdonck/micropython,blazewicz/micropython,EcmaXp/micropython,dinau/micropython,slzatz/micropython,tobbad/micropython,warner83/micropython,suda/micropython,heisewangluo/micropython,Vogtinator/micropython,KISSMonX/micropython,warner83/micropython,Vogtinator/micropython,alex-robbins/micropython,jimkmc/micropython,pozetroninc/micropython,danicampora/micropython,neilh10/micropython,aethaniel/micropython,misterdanb/micropython,vitiral/micropython,swegener/micropython,supergis/micropython,EcmaXp/micropython,ganshun666/micropython,ChuckM/micropython,noahwilliamsson/micropython,misterdanb/micropython,orionrobots/micropython,oopy/micropython,HenrikSolver/micropython,rubencabrera/micropython,pfalcon/micropython,jmarcelino/pycom-micropython,trezor/micropython,torwag/micropython,adafruit/circuitpython,jlillest/micropython,blazewicz/micropython,MrSurly/micropython,HenrikSolver/micropython,firstval/micropython,TDAbboud/micropython,adafruit/circuitpython,utopiaprince/micropython,selste/micropython,suda/micropython,warner83/micropython,pfalcon/micropython,blmorris/micropython,TDAbboud/micropython,mpalomer/micropython,matthewelse/micropython,puuu/micropython,tuc-osg/micropython,tralamazza/micropython,vriera/micropython,xyb/micropython,turbinenreiter/micropython,ceramos/micropython,swegener/micropython,lowRISC/micropython,micropython/micropython-esp32,vitiral/micropython,SungEun-Steve-Kim/test-mp,kostyll/micropython,adamkh/micropython,noahchense/micropython,ericsnowcurrently/micropython,hiway/micropython,micropython/micropython-esp32,tdautc19841202/micropython,xyb/micropython,redbear/micropython,rubencabrera/micropython,skybird6672/micropython,SHA2017-badge/micropython-esp32,paul-xxx/micropython,SungEun-Steve-Kim/test-mp,rubencabrera/micropython,alex-robbins/micropython,tralamazza/micropython,noahchense/micropython,neilh10/micropython,henriknelson/micropython,skybird6672/micropython,suda/micropython,Timmenem/micropython,kostyll/micropython,drrk/micropython,AriZuu/micropython,jimkmc/micropython,omtinez/micropython,pfalcon/micropython,cloudformdesign/micropython,ganshun666/micropython,warner83/micropython,aitjcize/micropython,mgyenik/micropython,deshipu/micropython,jmarcelino/pycom-micropython,Vogtinator/micropython,pfalcon/micropython,trezor/micropython,KISSMonX/micropython,emfcamp/micropython,cnoviello/micropython,xhat/micropython,KISSMonX/micropython,ericsnowcurrently/micropython,jimkmc/micropython,micropython/micropython-esp32,praemdonck/micropython,tobbad/micropython,MrSurly/micropython-esp32,matthewelse/micropython,vriera/micropython,tralamazza/micropython,slzatz/micropython,praemdonck/micropython,misterdanb/micropython,adafruit/circuitpython,feilongfl/micropython,mpalomer/micropython,aitjcize/micropython,adafruit/circuitpython,deshipu/micropython,micropython/micropython-esp32,pramasoul/micropython,ganshun666/micropython,adafruit/micropython,ceramos/micropython,stonegithubs/micropython,oopy/micropython,feilongfl/micropython,xuxiaoxin/micropython,slzatz/micropython,SHA2017-badge/micropython-esp32,alex-march/micropython,stonegithubs/micropython,kerneltask/micropython,blmorris/micropython,blazewicz/micropython,omtinez/micropython,mgyenik/micropython,mhoffma/micropython,TDAbboud/micropython,toolmacher/micropython,ericsnowcurrently/micropython,feilongfl/micropython,henriknelson/micropython,lbattraw/micropython,dinau/micropython,torwag/micropython,ganshun666/micropython,warner83/micropython,kerneltask/micropython,cnoviello/micropython,SungEun-Steve-Kim/test-mp,turbinenreiter/micropython,xyb/micropython,ChuckM/micropython,SungEun-Steve-Kim/test-mp,MrSurly/micropython-esp32,heisewangluo/micropython,ahotam/micropython,hiway/micropython,supergis/micropython,alex-robbins/micropython,ahotam/micropython,torwag/micropython,drrk/micropython,ChuckM/micropython,ruffy91/micropython,danicampora/micropython,oopy/micropython,mianos/micropython,ernesto-g/micropython,cnoviello/micropython,hosaka/micropython,lowRISC/micropython,adafruit/micropython,feilongfl/micropython,noahwilliamsson/micropython,mgyenik/micropython,ChuckM/micropython,infinnovation/micropython,ryannathans/micropython,MrSurly/micropython,puuu/micropython,lbattraw/micropython,skybird6672/micropython,misterdanb/micropython,hosaka/micropython,heisewangluo/micropython,martinribelotta/micropython,ryannathans/micropython,cnoviello/micropython,xuxiaoxin/micropython,EcmaXp/micropython,SungEun-Steve-Kim/test-mp,ruffy91/micropython,dmazzella/micropython,alex-robbins/micropython,deshipu/micropython,toolmacher/micropython,Peetz0r/micropython-esp32,noahwilliamsson/micropython,EcmaXp/micropython,heisewangluo/micropython,ceramos/micropython,pfalcon/micropython,matthewelse/micropython,tuc-osg/micropython,pozetroninc/micropython,toolmacher/micropython,cwyark/micropython,stonegithubs/micropython,puuu/micropython,xyb/micropython,danicampora/micropython,heisewangluo/micropython,mpalomer/micropython,blmorris/micropython,drrk/micropython,oopy/micropython,xhat/micropython,matthewelse/micropython,Timmenem/micropython,chrisdearman/micropython,emfcamp/micropython,tobbad/micropython,dhylands/micropython,oopy/micropython,mianos/micropython,omtinez/micropython,xhat/micropython,AriZuu/micropython,paul-xxx/micropython,lowRISC/micropython,chrisdearman/micropython,omtinez/micropython,stonegithubs/micropython,torwag/micropython,feilongfl/micropython,martinribelotta/micropython,slzatz/micropython,praemdonck/micropython,mgyenik/micropython,supergis/micropython,misterdanb/micropython,methoxid/micropystat,matthewelse/micropython,praemdonck/micropython,aethaniel/micropython,dhylands/micropython,jmarcelino/pycom-micropython,kerneltask/micropython,mhoffma/micropython,adafruit/micropython,danicampora/micropython,swegener/micropython,torwag/micropython,tdautc19841202/micropython,alex-march/micropython,Peetz0r/micropython-esp32,mhoffma/micropython,suda/micropython,dxxb/micropython,AriZuu/micropython,SHA2017-badge/micropython-esp32,trezor/micropython,orionrobots/micropython,adafruit/micropython,SHA2017-badge/micropython-esp32,orionrobots/micropython,ernesto-g/micropython,utopiaprince/micropython,ahotam/micropython,jmarcelino/pycom-micropython,mgyenik/micropython,ceramos/micropython,lbattraw/micropython,infinnovation/micropython,xhat/micropython,dhylands/micropython,lbattraw/micropython,cloudformdesign/micropython,alex-march/micropython,tdautc19841202/micropython,KISSMonX/micropython,puuu/micropython,redbear/micropython,dxxb/micropython,vriera/micropython,AriZuu/micropython,cwyark/micropython,galenhz/micropython,blazewicz/micropython,selste/micropython,vitiral/micropython,hiway/micropython,redbear/micropython,paul-xxx/micropython,matthewelse/micropython,mianos/micropython,ernesto-g/micropython,adamkh/micropython,bvernoux/micropython,selste/micropython,puuu/micropython,neilh10/micropython,xuxiaoxin/micropython,ryannathans/micropython,hosaka/micropython,redbear/micropython,blazewicz/micropython,cwyark/micropython,ruffy91/micropython,blmorris/micropython,infinnovation/micropython,skybird6672/micropython,ruffy91/micropython,MrSurly/micropython-esp32,galenhz/micropython,noahwilliamsson/micropython,firstval/micropython