Use twine to upload to pypi.

Author: xordoquy

setup.py

@@ -48,8 +48,11 @@ def get_package_data(package):
     if os.system("pip freeze | grep wheel"):
         print("wheel not installed.\nUse `pip install wheel`.\nExiting.")
         sys.exit()
-    os.system("python setup.py sdist upload")
-    os.system("python setup.py bdist_wheel upload")
+    if os.system("pip freeze | grep twine")
+        print("twine not installed.\nUse `pip install twine`.\nExiting.")
+        sys.exit()
+    os.system("python setup.py sdist bdist_wheel")
+    os.system("twine upload dist/*")
     print("You probably want to also tag the version now:")
     print("  git tag -a %s -m 'version %s'" % (version, version))
     print("  git push --tags")