gnucash maint: Fix a variable name typo in Python binding gnc_pricedb_lookup_latest_before_t64

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/79d5270c (commit)
	from  https://github.com/Gnucash/gnucash/commit/c2472936 (commit)



commit 79d5270c9d256638aca0618098fb657bb6523ffd
Author: Hong Xu <hong at topbug.net>
Date:   Sun Jun 13 01:12:59 2021 -0700

    Fix a variable name typo in Python binding gnc_pricedb_lookup_latest_before_t64
    
    commodit -> commodity



Summary of changes:
 bindings/python/gnucash_core.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)