update setup.py

Author: VasiliSeniuts

setup.py

@@ -5,12 +5,7 @@
 
 from setuptools import setup
 from distutils.version import LooseVersion
-import pip
 
-if LooseVersion(pip.__version__) >= "10.0.0":
-    from pip._internal.req import parse_requirements
-else:
-    from pip.req import parse_requirements
 
 def get_install_requirements(path):
     content = open(os.path.join(os.path.dirname(__file__), path)).read()