Use warnings.warn for import rust extension failure

artistools/estimators/estimators.py

@@ -11,6 +11,7 @@
 import tempfile
 import time
 import typing as t
+import warnings
 from collections import namedtuple
 from pathlib import Path
 
@@ -250,7 +251,7 @@ def get_rankbatch_parquetfile(
         try:
             from artistools.rustext import estimparse as rustestimparse
         except ImportError:
-            print("WARNING: Rust extension not available. Falling back to slow python reader.")
+            warnings.warn("WARNING: Rust extension not available. Falling back to slow python reader.", stacklevel=2)
             use_rust = False
 
         print(

requirements.txt

@@ -7,7 +7,7 @@ matplotlib>=3.9.0
 mypy>=1.10.0
 numexpr>=2.10.0
 numpy>=1.26.0
-pandas[compression,parquet,pyarrow]>=2.2.2
+pandas[compression,parquet]>=2.2.2
 polars==0.20.31
 pre-commit>=3.7.1
 pyarrow>=16.1.0