🚚 Move cython requirement into requirements.txt (#531)

Co-authored-by: richard <richard@dotmodus>

README.md

@@ -43,12 +43,6 @@ Additionally you would need few system dependencies and configuration.
       brew install autoconf automake libtool pkg-config
       brew link libtool
 
-- Install Cython (0.29.17):
-
-      # pip method if available (sudo might be needed.)
-      pip3 install Cython==0.29.17
-
-
 ## Using the toolchain
 
 Any Python extensions or C/C++ library must be compiled: you need to have what

requirements.txt

@@ -3,3 +3,4 @@ Pillow>=6.1.0
 requests>=2.13
 cookiecutter==1.7.2
 sh==1.12.14
+Cython==0.29.17