diff --git a/src/textual/constants.py b/src/textual/constants.py
index 7bf3607c2..8cd47c307 100644
--- a/src/textual/constants.py
+++ b/src/textual/constants.py
@@ -11,6 +11,11 @@ import os
 
 from typing_extensions import Final
 
+from ._border import BORDER_CHARS
+
+__all__ = ["BORDERS"]
+
+
 get_environ = os.environ.get
 
 
@@ -27,11 +32,6 @@ def get_environ_bool(name: str) -> bool:
     return has_environ
 
 
-from ._border import BORDER_CHARS
-
-__all__ = ["BORDERS"]
-
-
 BORDERS = list(BORDER_CHARS)
 
 DEBUG: Final[bool] = get_environ_bool("TEXTUAL_DEBUG")