diff --git a/Development_Contribution.md b/Development_Contribution.md
index f645577..19edf0c 100644
--- a/Development_Contribution.md
+++ b/Development_Contribution.md
@@ -20,32 +20,42 @@ I also have this small (very simple) script that I run each time before I push m
 #                    apprise root directory (after being checked out from
 #                    github).
 
-# Cleanup
 cleanup() {
+   # Simple safety checking (ensure we're in the right dir)
+   [ ! -d "apprise" ] && return 1
+   [ ! -d "apprise/plugins" ] && return 1
+   [ ! -d "apprise/config" ] && return 1
+   [ ! -d "test" ] && return 1
+
+   # we can safely assume we're being ran at the root of the apprise
+   # directory
    rm -rf .tox/ .eggs .coverage .cache \
       apprise.egg-info htmlcov build &>/dev/null
+   find . -type d -name __pycache__ \
+      -exec rm -rf {} \; &>/dev/null
+   find . -maxdepth 1 -mindepth 1 -type f \
+      -name '.coverage.*' -delete
+   return 0
 }
 
-# In case it wasn't ran before (or we ctrl-c'ed last time); we
-# want to just clean up any lingering content from the last time
-# we may or may have not done a checkdone.sh
+# Incase it wasn't ran before (or we ctrl-c'ed last time)
 cleanup
 
-# Check for pep8
-flake8 . --count --show-source --statistics
+flake8 . --show-source --statistics && \
+   flake8-3 . --show-source --statistics
 if [ $? -ne 0 ]; then
    echo "pep8 failed; early exit."
    exit 1
 fi
 
-# Handle our coverage
-coverage run ./setup.py test
+coverage run --parallel -m pytest -vv && \
+   coverage3 run --parallel -m pytest -vv
 if [ $? -ne 0 ]; then
    echo "tests failed; early exit."
    exit 1
 fi
 
-# Print it to screen
+coverage combine
 coverage report --show-missing
 
 # Cleanup