fix: fisrt check python binary instead of python3

To avoid preferring brew over system python

src/python/python.ts

@@ -183,7 +183,7 @@ async function setupPythonSystem(setupDir: string, version: string) {
 }
 
 async function findPython(binDir?: string) {
-  for (const pythonBin of ["python3", "python"]) {
+  for (const pythonBin of ["python", "python3"]) {
     // eslint-disable-next-line no-await-in-loop
     const foundPython = await isPythonUpToDate(pythonBin, binDir)
     if (foundPython !== undefined) {
@@ -215,10 +215,8 @@ async function isPythonUpToDate(candidate: string, binDir?: string) {
   try {
     if (binDir !== undefined) {
       const pythonBinPath = join(binDir, addExeExt(candidate))
-      if (await pathExists(pythonBinPath)) {
-        if (await isBinUptoDate(pythonBinPath, MinVersions.python!)) {
-          return pythonBinPath
-        }
+      if (await pathExists(pythonBinPath) && await isBinUptoDate(pythonBinPath, MinVersions.python!)) {
+        return pythonBinPath
       }
     }
     // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition

src/utils/setup/setupPipPack.ts

@@ -50,6 +50,7 @@ export async function setupPipPackWithPython(
   const { usePipx = true, user = true, upgrade = false, isLibrary = false } = options
 
   const isPipx = usePipx && !isLibrary && (await hasPipx(givenPython))
+
   const pip = isPipx ? "pipx" : "pip"
 
   // if upgrade is not requested, check if the package is already installed, and return if it is
@@ -104,7 +105,8 @@ async function finishPipPackageInstall(givenPython: string, name: string) {
 }
 
 export async function hasPipx(givenPython: string) {
-  return (await execa(givenPython, ["-m", "pipx", "--help"], { stdio: "ignore", reject: false })).exitCode === 0
+  const res = await execa(givenPython, ["-m", "pipx", "--help"], { stdio: "ignore", reject: false })
+  return res.exitCode === 0
 }
 
 async function getPipxHome_() {