Only call colorama.init() on Windows

On non-Windows platforms, using the colors_enabled()
function works because isatty() also works reliably.

Author: dmerejkowsky

cli_ui/__init__.py

@@ -38,7 +38,11 @@
 _ENABLE_XTERM_TITLE = None
 
 
-colorama.init()
+if os.name == "nt":
+    # On Windows using `isatty()` does *not* work reliably,
+    # so we always setup colorama.
+    # See colors_enabled() for details
+    colorama.init()
 
 
 # Tokens can be strings, or Color, UnicodeSequence or Symbol instances,

docs/changelog.rst

@@ -5,6 +5,7 @@ v0.14.1
 +++++++
 
 * Development branch is now called ``main``.
+* Fix #66 - only call ``colorama.init()`` on Windows.
 
 v0.14.0 (2021-04-20)
 ++++++++++++++++++++