Merge pull request #2 from KeepSafe/python36-update

python 3.6.6 update fix

Author: dominickeepsafe

.python-version

@@ -1 +1 @@
-3.6.5
+3.6.6

setup.py

@@ -1,21 +1,17 @@
 import os
 from setuptools import setup, find_packages
-from pip.download import PipSession
 
-try:
-    from pip._internal.req import parse_requirements
-except ImportError:
-    from pip.req import parse_requirements
 
 version = '0.2.2'
 
 
 def read(f):
     return open(os.path.join(os.path.dirname(__file__), f)).read().strip()
 
-install_reqs = parse_requirements('requirements.txt', session=PipSession())
-reqs = [str(ir.req) for ir in install_reqs]
 
+install_requires = [
+    'mistune <= 1',
+]
 
 setup(name='sdiff',
       version=version,
@@ -32,5 +28,5 @@ def read(f):
       packages=find_packages(exclude=['tests']),
       package_data={},
       namespace_packages=[],
-      install_requires = reqs,
+      install_requires = install_requires,
       include_package_data = False)