From fb00efccfad8a926a49f14faad2eb56b0ae70f49 Mon Sep 17 00:00:00 2001
From: Gyuri Horak <dyuri@horak.hu>
Date: Sat, 1 Feb 2020 13:05:03 +0100
Subject: [PATCH] Fix for `AttributeError` in `LsColors` when `XonshSession`
 has no `env` attribute

---
 xonsh/environ.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xonsh/environ.py b/xonsh/environ.py
index bdfde55902..622833a7ea 100644
--- a/xonsh/environ.py
+++ b/xonsh/environ.py
@@ -383,8 +383,8 @@ def detype(self):
     @property
     def style_name(self):
         """Current XONSH_COLOR_STYLE value"""
-        env = builtins.__xonsh__.env
-        env_style_name = env.get("XONSH_COLOR_STYLE")
+        env = getattr(builtins.__xonsh__, "env", {})
+        env_style_name = env.get("XONSH_COLOR_STYLE", "default")
         if self._style_name is None or self._style_name != env_style_name:
             self._style_name = env_style_name
             self._style = self._dtyped = None