[py] Fix encoding of basic auth header when using Python 3 Fixes #3622
[py] Fix encoding of basic auth header when using Python 3
Fixes #3622

bayandin/selenium,xmhubj/selenium,tbeadle/selenium,carlosroh/selenium,krmahadevan/selenium,chrisblock/selenium,bayandin/selenium,jsakamoto/selenium,tbeadle/selenium,lmtierney/selenium,joshmgrant/selenium,chrisblock/selenium,Ardesco/selenium,chrisblock/selenium,tbeadle/selenium,oddui/selenium,jsakamoto/selenium,5hawnknight/selenium,HtmlUnit/selenium,titusfortner/selenium,oddui/selenium,asashour/selenium,asolntsev/selenium,valfirst/selenium,Jarob22/selenium,Dude-X/selenium,DrMarcII/selenium,jabbrwcky/selenium,GorK-ChO/selenium,dibagga/selenium,Dude-X/selenium,Ardesco/selenium,Jarob22/selenium,DrMarcII/selenium,davehunt/selenium,joshmgrant/selenium,Jarob22/selenium,markodolancic/selenium,Dude-X/selenium,krmahadevan/selenium,joshbruning/selenium,asashour/selenium,5hawnknight/selenium,bayandin/selenium,SeleniumHQ/selenium,titusfortner/selenium,chrisblock/selenium,kalyanjvn1/selenium,carlosroh/selenium,valfirst/selenium,mojwang/selenium,valfirst/selenium,mojwang/selenium,titusfortner/selenium,titusfortner/selenium,xmhubj/selenium,mach6/selenium,tbeadle/selenium,markodolancic/selenium,jsakamoto/selenium,SeleniumHQ/selenium,twalpole/selenium,Tom-Trumper/selenium,xmhubj/selenium,DrMarcII/selenium,mojwang/selenium,twalpole/selenium,tbeadle/selenium,twalpole/selenium,jabbrwcky/selenium,dibagga/selenium,davehunt/selenium,asolntsev/selenium,GorK-ChO/selenium,joshmgrant/selenium,HtmlUnit/selenium,tbeadle/selenium,dibagga/selenium,HtmlUnit/selenium,jsakamoto/selenium,lmtierney/selenium,valfirst/selenium,twalpole/selenium,dibagga/selenium,twalpole/selenium,jabbrwcky/selenium,kalyanjvn1/selenium,mach6/selenium,Jarob22/selenium,oddui/selenium,SeleniumHQ/selenium,bayandin/selenium,jabbrwcky/selenium,juangj/selenium,markodolancic/selenium,oddui/selenium,joshbruning/selenium,jabbrwcky/selenium,mojwang/selenium,joshbruning/selenium,asolntsev/selenium,jabbrwcky/selenium,lmtierney/selenium,Tom-Trumper/selenium,davehunt/selenium,Dude-X/selenium,davehunt/selenium,tbeadle/selenium,jabbrwcky/selenium,titusfortner/selenium,GorK-ChO/selenium,mach6/selenium,krmahadevan/selenium,davehunt/selenium,Jarob22/selenium,asashour/selenium,GorK-ChO/selenium,bayandin/selenium,Jarob22/selenium,juangj/selenium,bayandin/selenium,markodolancic/selenium,davehunt/selenium,oddui/selenium,davehunt/selenium,GorK-ChO/selenium,mach6/selenium,joshmgrant/selenium,krmahadevan/selenium,joshmgrant/selenium,juangj/selenium,mach6/selenium,carlosroh/selenium,joshbruning/selenium,Jarob22/selenium,titusfortner/selenium,5hawnknight/selenium,xmhubj/selenium,HtmlUnit/selenium,twalpole/selenium,bayandin/selenium,chrisblock/selenium,krmahadevan/selenium,krmahadevan/selenium,GorK-ChO/selenium,kalyanjvn1/selenium,HtmlUnit/selenium,markodolancic/selenium,Tom-Trumper/selenium,krmahadevan/selenium,5hawnknight/selenium,SeleniumHQ/selenium,lmtierney/selenium,carlosroh/selenium,bayandin/selenium,Ardesco/selenium,5hawnknight/selenium,Dude-X/selenium,Ardesco/selenium,joshmgrant/selenium,carlosroh/selenium,Tom-Trumper/selenium,HtmlUnit/selenium,asashour/selenium,mojwang/selenium,joshbruning/selenium,dibagga/selenium,valfirst/selenium,lmtierney/selenium,mojwang/selenium,joshbruning/selenium,titusfortner/selenium,DrMarcII/selenium,Jarob22/selenium,asolntsev/selenium,DrMarcII/selenium,mojwang/selenium,markodolancic/selenium,Ardesco/selenium,joshbruning/selenium,asolntsev/selenium,asashour/selenium,joshbruning/selenium,davehunt/selenium,dibagga/selenium,SeleniumHQ/selenium,kalyanjvn1/selenium,GorK-ChO/selenium,tbeadle/selenium,Ardesco/selenium,xmhubj/selenium,markodolancic/selenium,carlosroh/selenium,asolntsev/selenium,DrMarcII/selenium,jsakamoto/selenium,DrMarcII/selenium,asolntsev/selenium,asolntsev/selenium,joshmgrant/selenium,oddui/selenium,asashour/selenium,juangj/selenium,chrisblock/selenium,jabbrwcky/selenium,SeleniumHQ/selenium,Tom-Trumper/selenium,lmtierney/selenium,HtmlUnit/selenium,mach6/selenium,Tom-Trumper/selenium,asashour/selenium,bayandin/selenium,twalpole/selenium,lmtierney/selenium,twalpole/selenium,Dude-X/selenium,mach6/selenium,markodolancic/selenium,joshbruning/selenium,oddui/selenium,asashour/selenium,HtmlUnit/selenium,twalpole/selenium,jsakamoto/selenium,krmahadevan/selenium,Tom-Trumper/selenium,Dude-X/selenium,SeleniumHQ/selenium,5hawnknight/selenium,kalyanjvn1/selenium,valfirst/selenium,dibagga/selenium,5hawnknight/selenium,xmhubj/selenium,mach6/selenium,titusfortner/selenium,jabbrwcky/selenium,SeleniumHQ/selenium,asolntsev/selenium,5hawnknight/selenium,SeleniumHQ/selenium,lmtierney/selenium,kalyanjvn1/selenium,SeleniumHQ/selenium,GorK-ChO/selenium,juangj/selenium,kalyanjvn1/selenium,HtmlUnit/selenium,juangj/selenium,jsakamoto/selenium,valfirst/selenium,valfirst/selenium,Tom-Trumper/selenium,juangj/selenium,joshmgrant/selenium,kalyanjvn1/selenium,juangj/selenium,carlosroh/selenium,Jarob22/selenium,Ardesco/selenium,asashour/selenium,carlosroh/selenium,Dude-X/selenium,valfirst/selenium,chrisblock/selenium,joshmgrant/selenium,jsakamoto/selenium,DrMarcII/selenium,GorK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