add utf8 encoding

mamba/__init__.py

@@ -1 +1,2 @@
+# -*- coding: utf-8 -*-
 from ._version import version_info, __version__

mamba/_version.py

@@ -1,2 +1,3 @@
+# -*- coding: utf-8 -*-
 version_info = (0, 0, 2)
 __version__ = '.'.join(map(str, version_info))

mamba/mamba.py

@@ -1,3 +1,6 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2019, QuantStack
+# SPDX-License-Identifier: BSD-3-Clause
 import sys, os
 
 from conda.cli.main import generate_parser, init_loggers

setup.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 from setuptools import setup, Extension
 from setuptools.command.build_ext import build_ext
 import sys, os, platform