chore(dependencies): Downgrade matplotlib-inline for Python 3.10 (#26)

* chore(dependencies): Downgrade matplotlib-inline for Python 3.10

* fix: Ignore matplotlib-inline unknown license

* chore: Bump Poetry to v2.2.1 (from v2.2.0)

* test: Downgrade matplotlib-inline to 0.1 for all Python versions

* test: Remove matplotlib-inline to see if CI works correctly

* test: Downgrade to Poetry 2.1.4

* test: Pin importlib-metadata for Python 3.9

* fix: Revert failed importlib-metadata downgrade

* fix: Revert changes after Poetry installation step now succeeds

Author: m1so

.github/workflows/ci.yml

@@ -139,7 +139,7 @@ jobs:
 
           # Only allow licenses compatible with Apache 2.0 (allowlist approach)
           # Ignored packages either have UNKNOWN licenses or not distributed
-          poetry run pip-licenses --allow-only "Apache;MIT;BSD;ISC;Unlicense;CC0;Public Domain;Python Software Foundation;Mozilla Public License 2.0;GNU Library or Lesser General Public License (LGPL)" --partial-match --ignore-packages arro3-core click dependency-groups Flask jeepney jupyter_core MarkupSafe more-itertools pymssql PyMySQL SecretStorage sqlalchemy-spanner typing-extensions typing-inspection urllib3
+          poetry run pip-licenses --allow-only "Apache;MIT;BSD;ISC;Unlicense;CC0;Public Domain;Python Software Foundation;Mozilla Public License 2.0;GNU Library or Lesser General Public License (LGPL)" --partial-match --ignore-packages arro3-core click dependency-groups Flask jeepney jupyter_core matplotlib-inline MarkupSafe more-itertools pymssql PyMySQL SecretStorage sqlalchemy-spanner typing-extensions typing-inspection urllib3
 
           echo "✅ All licenses are compatible with Apache 2.0"
 

poetry.lock

@@ -124,6 +124,8 @@ dependencies = [
     # so we keep vl-convert version pinned as well
     "vl-convert-python==1.7.0",
     "deepnote-vegafusion>=2.0.8,<3",
+    "matplotlib-inline>=0.1.7,<0.2.0; python_version <= '3.10'",  # 0.2.0 is not compatible with matplotlib 3.6.3 on Python <=3.10
+    "matplotlib-inline>=0.2.1,<0.3.0; python_version >= '3.11'",
 
     # Security constraint updates for transitive dependencies
     # snowflake-connector-python 4.0.0+ supports urllib3 2.x for Python 3.10+
@@ -142,7 +144,6 @@ dependencies = [
     "pyyaml>=6,<7",
     "tomli>=2,<3; python_version < '3.11'",
     "toml>=0.10.0,<1.0.0",
-    "toml>=0.10.0,<1.0.0",
 
     # Compatibility constraints for transitive dependencies
     "grpcio>=1.66.2; python_version >= '3.13'",