--- a
+++ b/pip_step.md
@@ -0,0 +1,8 @@
+https://tendcode.com/article/setup-to-pypy/
+
+- 1. config the setup.py and MANIFEST.in
+- 2. python setup.py sdist bdist_wheel
+- 3. python setup.py install # test, installed
+- 4. pip uninstall aggmap #uninstall
+- 5. twine upload dist/* #upload to pypi 
+