prefix custom var

mingw-w64-python-geneticalgorithm/PKGBUILD

@@ -4,7 +4,7 @@ _realname=geneticalgorithm
 pkgbase=mingw-w64-python-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-python-${_realname}")
 pkgver=1.0.1
-pkgver2=${pkgver//./}
+_pkgver2=${pkgver//./}
 pkgrel=1
 pkgdesc="Genetic Algorithm Package for Python (mingw64)"
 arch=('any')
@@ -19,12 +19,12 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-python-build"
              "${MINGW_PACKAGE_PREFIX}-python-setuptools"
              "${MINGW_PACKAGE_PREFIX}-python-wheel")
 license=('spdx:custom')
-source=("https://github.com/rmsolgi/geneticalgorithm/archive/refs/tags/${pkgver2}.tar.gz")
+source=("https://github.com/rmsolgi/geneticalgorithm/archive/refs/tags/${_pkgver2}.tar.gz")
 sha256sums=('DA63515A03A18E90518FB367727F77E13B100DB63253BE2408317D23EDBD5ADD')
 
 prepare() {
   rm -rf python-build-${MSYSTEM} | true
-  cp -r "${_realname}-${pkgver2}" "python-build-${MSYSTEM}"
+  cp -r "${_realname}-${_pkgver2}" "python-build-${MSYSTEM}"
 }
 
 build() {