Fix Python 3.x install when python is still 2.x

README.md

@@ -21,6 +21,12 @@ recommended way of installing `poetry`.
 curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python
 ```
 
+If you want to explicitly install with Python 3.x on a system where `python` invokes Python 2.x, use:
+
+```bash
+curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python3
+```
+
 Alternatively, you can download the `get-poetry.py` file and execute it separately.
 
 If you want to install prerelease versions, you can do so by passing `--preview` to `get-poetry.py`:

get-poetry.py

@@ -197,7 +197,7 @@ def expanduser(path):
 POETRY_LIB_BACKUP = os.path.join(POETRY_HOME, "lib-backup")
 
 
-BIN = """#!/usr/bin/env python
+BIN = """#!/usr/bin/env {}
 # -*- coding: utf-8 -*-
 import glob
 import sys
@@ -211,7 +211,9 @@ def expanduser(path):
     from poetry.console import main
 
     main()
-"""
+""".format(
+    os.path.basename(sys.executable)
+)
 
 BAT = u('@echo off\r\npython "{poetry_bin}" %*\r\n')
 
@@ -733,7 +735,7 @@ def set_windows_path_var(self, value):
             HWND_BROADCAST,
             WM_SETTINGCHANGE,
             0,
-            u"Environment",
+            "Environment",
             SMTO_ABORTIFHUNG,
             5000,
             ctypes.byref(result),