From 48ba2f12a176755cc20bd7bd4215afbabd383124 Mon Sep 17 00:00:00 2001
From: Daniel Hahler <git@thequod.de>
Date: Mon, 3 May 2021 16:07:40 +0200
Subject: [PATCH] fix(install-poetry): use exit code 1 with non-existing
 version

Ref: https://github.com/python-poetry/poetry/issues/4027
---
 install-poetry.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/install-poetry.py b/install-poetry.py
index ba67d3df8c8..1508870ae92 100644
--- a/install-poetry.py
+++ b/install-poetry.py
@@ -408,6 +408,8 @@ def run(self) -> int:
             version, current_version = self.get_version()
 
         if version is None:
+            if current_version is None:
+                return 1
             return 0
 
         self.display_pre_message()