fix: root logger was used instead of mplhep logger (#646)

Signed-off-by: Henry Schreiner <[email protected]>

Author: henryiii

pyproject.toml

@@ -176,6 +176,7 @@ extend-select = [
     "SLOT", # flake8-slots
     "T10", # flake8-debugger
     "TC", # flake8-type-checking
+    "LOG", # flake8-logging
 ]
 ignore = [
   "PLR09",    # Too many <...>
@@ -191,7 +192,7 @@ ignore = [
 
 [tool.ruff.lint.per-file-ignores]
 "tests/**" = ["T20", "RUF059"]
-"docs/conf.py" = ["T20"]
+"docs/source/conf.py" = ["T20", "LOG015"]
 "src/mplhep/_dev.py" = ["T20"]
 "test_*.py" = ["T20"]
 "src/mplhep/styles/*.py" = ["FLY002"]

src/mplhep/utils.py

@@ -167,7 +167,7 @@ def yscale_legend(
         msg = f"Could not fit legend after {N} scaling iterations (overlap: {final_overlap}). Try increasing otol, N, or using soft_fail=True."
         raise RuntimeError(msg)
     if final_overlap > otol:
-        logging.warning(
+        logger.warning(
             f"Legend still overlaps after {N} scaling iterations (overlap: {final_overlap})"
         )
 
@@ -246,7 +246,7 @@ def yscale_anchored_text(
         msg = f"Could not fit AnchoredText after {N} scaling iterations (overlap: {final_overlap}). Try increasing otol, N, or using soft_fail=True."
         raise RuntimeError(msg)
     if final_overlap > otol:
-        logging.warning(
+        logger.warning(
             f"AnchoredText still overlaps after {N} scaling iterations (overlap: {final_overlap})"
         )