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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Python 3.11.0b4 - py launcher fails when running a script with a shebang line","articleBody":"**Bug report**\r\n\r\nWhen running a script with a \"shebang\" line, the `py.exe` launcher in Python 3.11.0b4 fails with an error:\r\n\r\nTo reproduce, create the following script as `x.py`:\r\n\r\n```python\r\n#!/usr/bin/env python\r\nimport sys\r\nprint(sys.version)\r\nprint(sys.executable)\r\n```\r\n\r\nRun the script using `py.exe` built from a 3.11.0b4 checkout using `build.bat`:\r\n\r\n```\r\n❯ .\\amd64\\py.exe .\\x.py\r\n .\\x.py': The system cannot find the file specified.ata\\Local\\Programs\\Python\\Python310\\python.exe\r\n```\r\n\r\nNote the truncated python executable name. This appears to be related to the use of CRLF line endings in the file - if I switch to LF line endings, I get\r\n\r\n```\r\n❯ .\\amd64\\py.exe .\\x.py\r\nUnable to create process using 'C:\\Users\\Gustav\\AppData\\Local\\Programs\\Python\\Python310\\python.exe\r\n .\\x.py': The system cannot find the file specified.\r\n```\r\n\r\n**Your environment**\r\n\r\n- Launcher from 3.11.0b4, but the active Python version is 3.10.3.\r\n- Operating system and architecture: Windows 11, 64-bit.\r\n\r\n","author":{"url":"https://github.com/pfmoore","@type":"Person","name":"pfmoore"},"datePublished":"2022-07-12T10:00:01.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/94772/cpython/issues/94772"}