Use colorama on Windows

labelme/logger.py

 import datetime
 import logging
+import os
 
 import termcolor
 
+if os.name == "nt":  # Windows
+    import colorama
+
+    colorama.init()
+
 from . import __appname__
 
 

setup.py

 from __future__ import print_function
 
 import distutils.spawn
+import os
 import re
-from setuptools import find_packages
-from setuptools import setup
 import shlex
 import subprocess
 import sys
 
+from setuptools import find_packages
+from setuptools import setup
+
 
 def get_version():
     filename = "labelme/__init__.py"
@@ -75,6 +77,9 @@ def get_install_requires():
             QT_BINDING = "pyqt5"
     del QT_BINDING
 
+    if os.name == "nt":  # Windows
+        install_requires.append("colorama")
+
     return install_requires