pin version of itsdangerous to 2.0.1

https://itsmycode.com/importerror-cannot-import-name-json-from-itsdangerous/

roles/lokole/tasks/install.yml

@@ -23,6 +23,14 @@
       - wvdial
     state: present
 
+- name: "workaround for itsdangerous from https://itsmycode.com/importerror-cannot-import-name-json-from-itsdangerous/"
+  pip:
+    name: itsdangerous
+    version: 2.0.1
+    virtualenv: "{{ lokole_venv }}"
+    virtualenv_command: python3 -m venv "{{ lokole_venv }}"
+    extra_args: --no-cache-dir    # To avoid caching issues e.g. soon after new releases hit https://pypi.org/project/opwen-email-client/
+
 # For development purposes -- To install Lokole from a given commit, add the
 # following line to roles/lokole/defaults/main.yml:
 # lokole_commit: <git_commit_id>