fix: make sure requirements are installed before running autocomplete test

This reverts commit 4aa921a836.

requirements.txt

@@ -7,7 +7,6 @@ setuptools>=21
 #
 # importlib_metadata: is part of python3.8 and newer as importlib.metadata
 importlib_metadata; python_version < "3.8"
-packaging
 click==7.0; python_version == "3.4"
 click>=7.0; python_version != "3.4"
 pyserial>=3.0

tools/ci/config/host-test.yml

@@ -322,13 +322,14 @@ test_sbom:
 test_autocomplete:
   extends: .host_test_template
   image: $CI_DOCKER_REGISTRY/linux-shells:1
-  allow_failure: true
   artifacts:
     when: on_failure
     paths:
       - ${IDF_PATH}/*.out
     expire_in: 1 week
   script:
+  # workaround for issues with missing requirements for python2.7
+    - pyenv global 2.7.18 && pip2.7 install -r requirements.txt
     - ${IDF_PATH}/tools/ci/multirun_with_pyenv.sh ${IDF_PATH}/tools/ci/test_autocomplete.py
 
 test_detect_python: