ci: install python packages using Deb packages

As stated in the error message when using 'pip install':
> To install Python packages system-wide, try apt install
> python3-xyz, where xyz is the package you are trying to
> install.

Signed-off-by: Mathieu Tortuyaux <[email protected]>

Author: tormath1

scripts/ci-conformance.sh

@@ -45,14 +45,11 @@ cleanup() {
 }
 trap cleanup EXIT
 
-# Ensure that python3-pip is installed.
 apt-get update -y
-apt-get install -y python3-pip
+# Install requests module explicitly for HTTP calls.
+apt-get install -y python3-requests
 rm -rf /var/lib/apt/lists/*
 
-# Install/upgrade pip and requests module explicitly for HTTP calls.
-python3 -m pip install --upgrade pip requests
-
 # If BOSKOS_HOST is set then acquire a resource of type ${RESOURCE_TYPE} from Boskos.
 if [ -n "${BOSKOS_HOST:-}" ]; then
   # Check out the account from Boskos and store the produced environment

scripts/ci-e2e.sh

@@ -46,14 +46,11 @@ cleanup() {
 }
 trap cleanup EXIT
 
-# Ensure that python3-pip is installed.
 apt-get update -y
-apt-get install -y python3-pip
+# Install requests module explicitly for HTTP calls.
+apt-get install -y python3-requests
 rm -rf /var/lib/apt/lists/*
 
-# Install/upgrade pip and requests module explicitly for HTTP calls.
-python3 -m pip install --upgrade pip requests
-
 # If BOSKOS_HOST is set then acquire a resource of type ${RESOURCE_TYPE} from Boskos.
 if [ -n "${BOSKOS_HOST:-}" ]; then
   # Check out the account from Boskos and store the produced environment