[gtk-osx] Unconditionally update pip.

[John Ralls <jralls src gnome org>]

commit 422fd69dcc925d2bad60b233d7528daff38f1c84
Author: John Ralls <jralls ceridwen us>
Date:   Tue Apr 13 12:25:40 2021 -0700

    Unconditionally update pip.

 gtk-osx-setup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk-osx-setup.sh b/gtk-osx-setup.sh
index 115f65e6..2457c4aa 100755
--- a/gtk-osx-setup.sh
+++ b/gtk-osx-setup.sh
@@ -107,8 +107,8 @@ if test ! -x "`eval echo $PIP`" ; then
         python -m ensurepip --user
     fi
     PIP="$PYTHONUSERBASE/bin/pip"
-    $PIP install --upgrade --user pip
 fi
+$PIP install --upgrade --user pip
 
 # Install pipenv
 $PIP install --upgrade --user pipenv==2020.11.15