diff --git a/python/README.md b/python/README.md
index eab4f15..fe4ec13 100644
--- a/python/README.md
+++ b/python/README.md
@@ -23,7 +23,7 @@ $ python enry.py
 ## TODOs
  - [ ] try ABI mode, to aviod dependency on C compiler on install (+perf test?)
  - [ ] ready `libenry.h` and generate `ffibuilder.cdef` content
+ - [ ] helpers for sending/recieving Go slices to C
  - [ ] cover the rest of enry API
  - [ ] add `setup.py`
- - [ ] build/release automation on CI (publish on pypi)
- - 
\ No newline at end of file
+ - [ ] build/release automation on CI (publish on pypi)
\ No newline at end of file
diff --git a/python/requirements.txt b/python/requirements.txt
new file mode 100644
index 0000000..28dbbb1
--- /dev/null
+++ b/python/requirements.txt
@@ -0,0 +1,4 @@
+cffi==1.12.3
+Click==7.0
+pycparser==2.19
+yapf==0.27.0