sfpy.patch

   1 diff --git a/requirements.txt b/requirements.txt
   2 index 41fa4f6..0e9adef 100644
   3 --- a/requirements.txt
   4 +++ b/requirements.txt
   5 @@ -2,4 +2,4 @@ pip
   6  wheel
   7  twine
   8  keyring
   9 -cython
  10 +cython==0.29.2