- diff --git a/setuptools/command/easy_install.py b/setuptools/command/easy_install.py
- index e8b90c7..8598c44 100755
- --- a/setuptools/command/easy_install.py
- +++ b/setuptools/command/easy_install.py
- @@ -1946,6 +1946,8 @@ class CommandSpec(list):
- Construct a CommandSpec from a parameter to build_scripts, which may
- be None.
- """
- + if os.environ.get('__PYVENV_LAUNCHER__'):
- + return cls.from_environment()
- if isinstance(param, cls):
- return param
- if isinstance(param, list):
|