--- upgrade.sh.bak	2021-05-27 14:20:37.745680148 +0200
+++ upgrade.sh	2021-05-27 14:21:53.256311952 +0200
@@ -3,59 +3,6 @@
 # its most recent release.
 
 cd "$(dirname "$0")"
-VIRTUALENV="$(pwd -P)/venv"
-
-# Remove the existing virtual environment (if any)
-if [ -d "$VIRTUALENV" ]; then
-  COMMAND="rm -rf ${VIRTUALENV}"
-  echo "Removing old virtual environment..."
-  eval $COMMAND
-else
-  WARN_MISSING_VENV=1
-fi
-
-# Create a new virtual environment
-COMMAND="/usr/bin/python3 -m venv ${VIRTUALENV}"
-echo "Creating a new virtual environment at ${VIRTUALENV}..."
-eval $COMMAND || {
-  echo "--------------------------------------------------------------------"
-  echo "ERROR: Failed to create the virtual environment. Check that you have"
-  echo "the required system packages installed and the following path is"
-  echo "writable: ${VIRTUALENV}"
-  echo "--------------------------------------------------------------------"
-  exit 1
-}
-
-# Activate the virtual environment
-source "${VIRTUALENV}/bin/activate"
-
-# Upgrade pip
-COMMAND="pip install --upgrade pip"
-echo "Updating pip ($COMMAND)..."
-eval $COMMAND || exit 1
-pip -V
-
-# Install necessary system packages
-COMMAND="pip install wheel"
-echo "Installing Python system packages ($COMMAND)..."
-eval $COMMAND || exit 1
-
-# Install required Python packages
-COMMAND="pip install -r requirements.txt"
-echo "Installing core dependencies ($COMMAND)..."
-eval $COMMAND || exit 1
-
-# Install optional packages (if any)
-if [ -s "local_requirements.txt" ]; then
-  COMMAND="pip install -r local_requirements.txt"
-  echo "Installing local dependencies ($COMMAND)..."
-  eval $COMMAND || exit 1
-elif [ -f "local_requirements.txt" ]; then
-  echo "Skipping local dependencies (local_requirements.txt is empty)"
-else
-  echo "Skipping local dependencies (local_requirements.txt not found)"
-fi
-
 # Apply any database migrations
 COMMAND="python3 netbox/manage.py migrate"
 echo "Applying database migrations ($COMMAND)..."
@@ -86,23 +33,5 @@
 echo "Clearing cache data ($COMMAND)..."
 eval $COMMAND || exit 1
 
-if [ -v WARN_MISSING_VENV ]; then
-  echo "--------------------------------------------------------------------"
-  echo "WARNING: No existing virtual environment was detected. A new one has"
-  echo "been created. Update your systemd service files to reflect the new"
-  echo "Python and gunicorn executables. (If this is a new installation,"
-  echo "this warning can be ignored.)"
-  echo ""
-  echo "netbox.service ExecStart:"
-  echo "  ${VIRTUALENV}/bin/gunicorn"
-  echo ""
-  echo "netbox-rq.service ExecStart:"
-  echo "  ${VIRTUALENV}/bin/python"
-  echo ""
-  echo "After modifying these files, reload the systemctl daemon:"
-  echo "  > systemctl daemon-reload"
-  echo "--------------------------------------------------------------------"
-fi
-
 echo "Upgrade complete! Don't forget to restart the NetBox services:"
 echo "  > sudo systemctl restart netbox netbox-rq"