Fix error in get_default_cost_center() function
Fix error in get_default_cost_center() function

Tejal011089/fbd_erpnext,Drooids/erpnext,dieface/erpnext,gmarke/erpnext,ShashaQin/erpnext,mahabuber/erpnext,mbauskar/helpdesk-erpnext,Suninus/erpnext,tmimori/erpnext,gangadharkadam/letzerp,gangadharkadam/saloon_erp,mbauskar/omnitech-demo-erpnext,treejames/erpnext,mbauskar/sapphire-erpnext,shitolepriya/test-erp,indictranstech/osmosis-erpnext,gsnbng/erpnext,gangadharkadam/letzerp,anandpdoshi/erpnext,indictranstech/fbd_erpnext,gangadharkadam/saloon_erp,MartinEnder/erpnext-de,hatwar/buyback-erpnext,Drooids/erpnext,netfirms/erpnext,gangadharkadam/verveerp,sheafferusa/erpnext,MartinEnder/erpnext-de,gangadharkadam/v6_erp,shft117/SteckerApp,aruizramon/alec_erpnext,Tejal011089/trufil-erpnext,indictranstech/osmosis-erpnext,indictranstech/biggift-erpnext,mbauskar/sapphire-erpnext,mbauskar/helpdesk-erpnext,gangadhar-kadam/helpdesk-erpnext,sagar30051991/ozsmart-erp,susuchina/ERPNEXT,Tejal011089/paypal_erpnext,hatwar/Das_erpnext,gangadharkadam/saloon_erp_install,hatwar/Das_erpnext,Tejal011089/fbd_erpnext,Suninus/erpnext,indictranstech/biggift-erpnext,indictranstech/Das_Erpnext,indictranstech/Das_Erpnext,gangadhar-kadam/verve_erp,hanselke/erpnext-1,gangadharkadam/saloon_erp_install,indictranstech/internal-erpnext,mbauskar/omnitech-demo-erpnext,sagar30051991/ozsmart-erp,Tejal011089/huntercamp_erpnext,Tejal011089/paypal_erpnext,indictranstech/erpnext,gmarke/erpnext,indictranstech/trufil-erpnext,meisterkleister/erpnext,gangadhar-kadam/verve_test_erp,indictranstech/erpnext,indictranstech/osmosis-erpnext,mbauskar/Das_Erpnext,gangadhar-kadam/verve_erp,indictranstech/internal-erpnext,sheafferusa/erpnext,gangadharkadam/v6_erp,mbauskar/Das_Erpnext,Aptitudetech/ERPNext,SPKian/Testing,SPKian/Testing2,ThiagoGarciaAlves/erpnext,mbauskar/alec_frappe5_erpnext,ShashaQin/erpnext,gangadhar-kadam/helpdesk-erpnext,gangadharkadam/verveerp,gangadharkadam/v5_erp,gangadhar-kadam/latestchurcherp,SPKian/Testing2,hernad/erpnext,gangadharkadam/verveerp,MartinEnder/erpnext-de,gangadharkadam/letzerp,dieface/erpnext,pombredanne/erpnext,njmube/erpnext,gangadhar-kadam/verve_live_erp,gangadhar-kadam/helpdesk-erpnext,pombredanne/erpnext,saurabh6790/test-erp,ThiagoGarciaAlves/erpnext,gangadharkadam/vlinkerp,Tejal011089/huntercamp_erpnext,indictranstech/reciphergroup-erpnext,hanselke/erpnext-1,gangadhar-kadam/verve_live_erp,saurabh6790/test-erp,mbauskar/alec_frappe5_erpnext,shft117/SteckerApp,Tejal011089/osmosis_erpnext,indictranstech/tele-erpnext,fuhongliang/erpnext,indictranstech/reciphergroup-erpnext,pombredanne/erpnext,indictranstech/trufil-erpnext,mbauskar/Das_Erpnext,hatwar/buyback-erpnext,dieface/erpnext,mbauskar/omnitech-erpnext,hernad/erpnext,Tejal011089/paypal_erpnext,meisterkleister/erpnext,gangadhar-kadam/latestchurcherp,gangadharkadam/saloon_erp,hatwar/Das_erpnext,indictranstech/reciphergroup-erpnext,susuchina/ERPNEXT,hernad/erpnext,ShashaQin/erpnext,hatwar/Das_erpnext,ThiagoGarciaAlves/erpnext,sheafferusa/erpnext,aruizramon/alec_erpnext,gangadhar-kadam/verve-erp,saurabh6790/test-erp,Suninus/erpnext,ShashaQin/erpnext,Tejal011089/osmosis_erpnext,Tejal011089/paypal_erpnext,gangadharkadam/saloon_erp_install,mahabuber/erpnext,gsnbng/erpnext,hanselke/erpnext-1,geekroot/erpnext,gangadhar-kadam/verve_test_erp,indictranstech/internal-erpnext,gangadhar-kadam/verve_live_erp,gangadharkadam/vlinkerp,saurabh6790/test-erp,gangadhar-kadam/verve_live_erp,indictranstech/tele-erpnext,Tejal011089/fbd_erpnext,tmimori/erpnext,meisterkleister/erpnext,gangadharkadam/contributionerp,mbauskar/alec_frappe5_erpnext,gangadharkadam/v6_erp,sheafferusa/erpnext,gangadhar-kadam/latestchurcherp,netfirms/erpnext,rohitwaghchaure/erpnext-receipher,fuhongliang/erpnext,rohitwaghchaure/GenieManager-erpnext,Drooids/erpnext,mbauskar/alec_frappe5_erpnext,shitolepriya/test-erp,Tejal011089/osmosis_erpnext,gangadharkadam/v5_erp,shft117/SteckerApp,gsnbng/erpnext,dieface/erpnext,SPKian/Testing,gangadhar-kadam/verve_erp,tmimori/erpnext,aruizramon/alec_erpnext,fuhongliang/erpnext,njmube/erpnext,indictranstech/tele-erpnext,Tejal011089/trufil-erpnext,anandpdoshi/erpnext,susuchina/ERPNEXT,ThiagoGarciaAlves/erpnext,mahabuber/erpnext,indictranstech/fbd_erpnext,mbauskar/Das_Erpnext,hatwar/buyback-erpnext,gangadharkadam/saloon_erp_install,SPKian/Testing2,meisterkleister/erpnext,mbauskar/helpdesk-erpnext,shft117/SteckerApp,geekroot/erpnext,indictranstech/tele-erpnext,mbauskar/sapphire-erpnext,rohitwaghchaure/erpnext-receipher,indictranstech/fbd_erpnext,netfirms/erpnext,mbauskar/omnitech-erpnext,indictranstech/Das_Erpnext,treejames/erpnext,indictranstech/trufil-erpnext,Tejal011089/huntercamp_erpnext,indictranstech/biggift-erpnext,indictranstech/internal-erpnext,indictranstech/Das_Erpnext,gangadharkadam/contributionerp,gangadharkadam/saloon_erp,hernad/erpnext,sagar30051991/ozsmart-erp,gangadhar-kadam/verve_test_erp,treejames/erpnext,gangadharkadam/v6_erp,gangadhar-kadam/verve_erp,MartinEnder/erpnext-de,fuhongliang/erpnext,aruizramon/alec_erpnext,Tejal011089/osmosis_erpnext,mbauskar/omnitech-erpnext,indictranstech/reciphergroup-erpnext,SPKian/Testing,mbauskar/omnitech-erpnext,gmarke/erpnext,anandpdoshi/erpnext,njmube/erpnext,gangadharkadam/vlinkerp,gangadhar-kadam/helpdesk-erpnext,njmube/erpnext,sagar30051991/ozsmart-erp,geekroot/erpnext,treejames/erpnext,shitolepriya/test-erp,SPKian/Testing2,mbauskar/omnitech-demo-erpnext,gangadharkadam/contributionerp,rohitwaghchaure/erpnext-receipher,hatwar/buyback-erpnext,gmarke/erpnext,Tejal011089/trufil-erpnext,indictranstech/fbd_erpnext,tmimori/erpnext,hanselke/erpnext-1,mbauskar/omnitech-demo-erpnext,indictranstech/erpnext,indictranstech/biggift-erpnext,mbauskar/helpdesk-erpnext,anandpdoshi/erpnext,rohitwaghchaure/GenieManager-erpnext,gangadharkadam/contributionerp,Tejal011089/huntercamp_erpnext,mbauskar/sapphire-erpnext,Tejal011089/fbd_erpnext,gangadharkadam/v5_erp,rohitwaghchaure/GenieManager-erpnext,gangadharkadam/vlinkerp,gangadhar-kadam/verve_test_erp,SPKian/Testing,gangadhar-kadam/verve-erp,Drooids/erpnext,rohitwaghchaure/erpnext-receipher,rohitwaghchaure/GenieManager-erpnext,Tejal011089/trufil-erpnext,gangadharkadam/v5_erp,indictranstech/erpnext,pombredanne/erpnext,indictranstech/osmosis-erpnext,Suninus/erpnext,geekroot/erpnext,gangadhar-kadam/latestchurcherp,gangadharkadam/letzerp,mahabuber/erpnext,indictranstech/trufil-erpnext,susuchina/ERPNEXT,gangadharkadam/verveerp,netfirms/erpnext,shitolepriya/test-erp,gsnbng/erpnext,gangadhar-kadam/verve-erp