Add support for python3

setup.py

@@ -1,44 +1,42 @@
 import os
 from setuptools import setup, find_packages
 
+
 def read_file(filename):
     basepath = os.path.dirname(os.path.dirname(__file__))
     filepath = os.path.join(basepath, filename)
     if os.path.exists(filepath):
         return open(filepath).read()
     else:
-        return ''
+        return ""
+
 
 setup(
-    name = 'markdown-server',
-    version  = '0.1.3',
-    description = 'A simple markdown server.',
-    long_description = read_file('README.rst'),
-    author = 'Masato Ohba',
-    author_email = 'over.rye@gmail.com',
-    url = 'https://github.com/ohbarye/markdown-server',
-    classifiers = [
-        'Topic :: Utilities',
-        'Development Status :: 4 - Beta',
-        'Framework :: Bottle',
-        'License :: OSI Approved :: MIT License',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 2.7',
+    name="markdown-server",
+    version="0.1.4",
+    description="A simple markdown server.",
+    long_description=read_file("README.rst"),
+    author="Masato Ohba",
+    author_email="over.rye@gmail.com",
+    url="https://github.com/ohbarye/markdown-server",
+    classifiers=[
+        "Topic :: Utilities",
+        "Development Status :: 4 - Beta",
+        "Framework :: Bottle",
+        "License :: OSI Approved :: MIT License",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 2.7",
+        "Programming Language :: Python :: 3",
     ],
-    packages = find_packages(),
-    include_package_data = True,
-    keywords = ['web', 'markdown'],
-    license = 'MIT License',
-    install_requires = [
-        'bottle',
-        'Markdown==2.6.11',
-        'Pygments',
-        'py-gfm',
-    ],
-    entry_points = {
-        'console_scripts': [
-            'markdownserver = markdownserver:main',
-            'convert = markdownserver.markdown_converter:main'
+    packages=find_packages(),
+    include_package_data=True,
+    keywords=["web", "markdown"],
+    license="MIT License",
+    install_requires=["bottle", "Markdown==2.6.11", "Pygments", "py-gfm"],
+    entry_points={
+        "console_scripts": [
+            "markdownserver=markdownserver:main",
+            "convert=markdownserver.markdown_converter:main",
         ]
     },
 )