Update package version to 3.12.0

source.sh

@@ -2,25 +2,19 @@
 # BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
 # BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT
 
-DOWNLOAD="https://pypi.org/packages/source/f/flit-core/flit_core-${BPM_PKG_VERSION}.tar.gz"
-FILENAME="${DOWNLOAD##*/}"
-
-# The prepare function is executed in the root of the temp directory
-# This function is used for downloading files and putting them into the correct location
-prepare() {
-  wget "$DOWNLOAD"
-  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
-}
-
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {
+  cd flit_core
+  
   python3 -m flit_core.wheel
 }
 
 # The package function is executed in the source directory
 # This function is used to move the compiled files into the output directory
 package() {
+  cd flit_core
+  
   python3 bootstrap_install.py --install-root "$BPM_OUTPUT" dist/flit_core-"$BPM_PKG_VERSION"-py3-none-any.whl
 
   # Install package license