Be more specific about provided version

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = python39
 	pkgdesc = Major release 3.9 of the Python high-level programming language
 	pkgver = 3.9.9
-	pkgrel = 1
+	pkgrel = 2
 	url = https://www.python.org/
 	arch = i686
 	arch = x86_64
@@ -21,7 +21,7 @@ pkgbase = python39
 	optdepends = mpdecimal: for decimal
 	optdepends = xz: for lzma
 	optdepends = tk: for tkinter
-	provides = python
+	provides = python=3.9.9
 	source = https://www.python.org/ftp/python/3.9.9/Python-3.9.9.tar.xz
 	source = mpdecimal-2.5.1.patch
 	validpgpkeys = 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D

PKGBUILD

@@ -3,7 +3,7 @@
 
 pkgname=python39
 pkgver=3.9.9
-pkgrel=1
+pkgrel=2
 _pybasever=3.9
 _pymajver=3
 pkgdesc="Major release 3.9 of the Python high-level programming language"
@@ -25,7 +25,7 @@ validpgpkeys=(
     '0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D'  # Ned Deily (Python release signing key) <nad@python.org>
     'E3FF2839C048B25C084DEBE9B26995E310250568'  # Łukasz Langa (GPG langa.pl) <lukasz@langa.pl>
 )
-provides=('python')
+provides=("python=$pkgver")
 
 prepare() {
   cd "${srcdir}/Python-${pkgver}"