Merge pull request #202 from cphyc/issue/201

Remove warning from mpl 3.10 (closes #201)

Author: cphyc

.github/workflows/pytest.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.11"]
+        python-version: ["3.11", "3.13"]
 
     steps:
     - uses: actions/checkout@v4

labellines/core.py

@@ -238,7 +238,12 @@ def labelLines(
             xvals[i] = new_xv  # type: ignore
 
     # Convert float values back to datetime in case of datetime axis
-    if isinstance(ax.xaxis.converter, DateConverter):
+    mpl_version = tuple(int(_) for _ in plt.matplotlib.__version__.split("."))
+    if mpl_version < (3, 10, 0):
+        converter = ax.xaxis.converter
+    else:
+        converter = ax.xaxis.get_converter()
+    if isinstance(converter, DateConverter):
         xvals = [
             num2date(x).replace(tzinfo=ax.xaxis.get_units())
             for x in xvals  # type: ignore

pyproject.toml

@@ -31,10 +31,10 @@ dependencies = [
 
 [project.optional-dependencies]
 test = [
-    "matplotlib==3.9.3",
+    "matplotlib==3.10.0",
     "pytest-cov==6.0.0",
     "pytest-mpl==0.17.0",
-    "pytest==8.3.3",
+    "pytest==8.3.4",
 ]
 
 [project.urls]