Pin Charmed Operator Framework version for charms

Change-Id: Iff5659151e5678298b72e54b7b22a375bc7b7ebf
Signed-off-by: Dario Faccin <dario.faccin@canonical.com>
(cherry picked from commit d0303f5fff9c744aa101767166e94277c9e3259f)
diff --git a/installers/charm/osm-lcm/requirements.txt b/installers/charm/osm-lcm/requirements.txt
index cb303a3..398d4ad 100644
--- a/installers/charm/osm-lcm/requirements.txt
+++ b/installers/charm/osm-lcm/requirements.txt
@@ -17,7 +17,7 @@
 #
 # To get in touch with the maintainers, please contact:
 # osm-charmers@lists.launchpad.net
-ops >= 1.2.0
+ops < 2.2
 lightkube
 lightkube-models
 # git+https://github.com/charmed-osm/config-validator/
diff --git a/installers/charm/osm-lcm/tox.ini b/installers/charm/osm-lcm/tox.ini
index 16c1359..238adaa 100644
--- a/installers/charm/osm-lcm/tox.ini
+++ b/installers/charm/osm-lcm/tox.ini
@@ -60,7 +60,7 @@
     isort
     codespell
 commands =
-    codespell {toxinidir}/. --skip {toxinidir}/.git --skip {toxinidir}/.tox \
+    codespell {toxinidir} --skip {toxinidir}/.git --skip {toxinidir}/.tox \
       --skip {toxinidir}/build --skip {toxinidir}/lib --skip {toxinidir}/venv \
       --skip {toxinidir}/.mypy_cache --skip {toxinidir}/icon.svg
     # pflake8 wrapper supports config from pyproject.toml