fix: syntax warning in envshell, bump version to 1.0.1

Author: rsgalloway

CHANGELOG.md

@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ---
 
+## [1.0.1] - 2026-02-08
+
+### Fixed
+- SyntaxWarning: invalid escape sequence in envstack shell
+
+---
+
 ## [1.0.0] - 2026-02-08
 
 ### Added

lib/envstack/__init__.py

@@ -34,7 +34,7 @@
 """
 
 __prog__ = "envstack"
-__version__ = "1.0.0"
+__version__ = "1.0.1"
 
 from envstack.env import clear, init, revert, save  # noqa: F401
 from envstack.env import load_environ, resolve_environ  # noqa: F401

lib/envstack/envshell.py

@@ -131,7 +131,7 @@ def get_shell_prompt(self) -> str:
         if os.name == "nt":
             return ("PROMPT", "$E[32m(${ENV:=${STACK}})$E[0m $P$G ")
         else:
-            return ("PS1", "\[\e[32m\](${ENV:=${STACK}})\[\e[0m\] \w\$ ")
+            return ("PS1", r"\[\e[32m\](${ENV:=${STACK}})\[\e[0m\] \w\$ ")
 
     def get_subprocess_env(self):
         """

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "envstack"
-version = "1.0.0"
+version = "1.0.1"
 description = "Environment variable composition layer for tools and processes."
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.6"