Install cython in venv

Signed-off-by: Jono Yang <[email protected]>

Author: JonoYang

configure

@@ -118,7 +118,7 @@ CFG_ROOT_DIR="$( cd "$( dirname "${CFG_BIN}" )" && pwd )"
 
 CFG_BIN_DIR=$CFG_ROOT_DIR/$VIRTUALENV_DIR/bin
 
-# force relaunching under X86-64 architecture on macOS M1/ARM 
+# force relaunching under X86-64 architecture on macOS M1/ARM
 if [[ $OSTYPE == 'darwin'* && $(uname -m) == 'arm64' && $(sysctl -in sysctl.proc_translated) == 0 ]]; then
     arch -x86_64 /bin/bash -c "$CFG_ROOT_DIR/configure $*"
     exit $?
@@ -253,7 +253,7 @@ install_packages() {
     # be reinstalled a second time and reused from the virtualenv and this
     # speeds up the installation.
     # We always have the PEP517 build dependencies installed already.
-
+    "$CFG_BIN_DIR/pip" install cython
     "$CFG_BIN_DIR/pip" install \
         --upgrade \
         --no-build-isolation \

setup.cfg

@@ -75,7 +75,6 @@ install_requires =
     colorama >= 0.3.9
     commoncode >= 32.3.0
     container-inspector >= 31.0.0
-    cython
     debian-inspector >= 31.1.0
     dparse2 >= 0.7.0
     fasteners