Improvements to warnings and minor bugfix.

CHANGELOG.md

 # Python Buildpack Changelog
 
+## v77 (2016-02-10)
+
+Improvements to warnings and minor bugfix.
+
 ## v76 (2016-02-08)
 
 Improved Django collectstatic support.

bin/compile

@@ -39,7 +39,7 @@ SETUPTOOLS_VERSION="19.6"
 
 # Common Problem Warnings
 export WARNINGS_LOG=$(mktemp)
-export DEFAULT_PYTHON_VERSION
+export RECOMMENDED_PYTHON_VERSION=$DEFAULT_PYTHON_VERSION
 
 # Setup bpwatch
 export PATH=$PATH:$ROOT_DIR/vendor/bpwatch
@@ -57,8 +57,8 @@ export PATH=$PATH:$ROOT_DIR/vendor/pip-pop
 
 # Sanitizing environment variables.
 unset GIT_DIR PYTHONHOME PYTHONPATH LD_LIBRARY_PATH LIBRARY_PATH
-unset RECEIVE_DATA SOURCE_VERSION RUN_KEY BUILD_INFO DEPLOY
-unset LOG_TOKEN DYNO CYTOKINE_LOG_FILE GEM_PATH
+unset RECEIVE_DATA RUN_KEY BUILD_INFO DEPLOY LOG_TOKEN DYNO
+unset CYTOKINE_LOG_FILE GEM_PATH
 
 # Setup buildpack instrumentation.
 bpwatch init $LOGPLEX_KEY

bin/warnings

@@ -5,7 +5,7 @@ old-platform() {
     echo
     puts-warn "Hello! It looks like your application is using an outdated version of Python."
     puts-warn "This caused the security warning you saw above during the 'pip install' step."
-    puts-warn "We recommend '$DEFAULT_PYTHON_VERSION', which you can specify in a 'runtime.txt' file."
+    puts-warn "We recommend '$RECOMMENDED_PYTHON_VERSION', which you can specify in a 'runtime.txt' file."
     puts-warn "  -- Much Love, Heroku."
   fi
 }