Add ruff check for missing futures import

examples/python-udwf.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import annotations
+
 import datafusion
 import pyarrow as pa
 from datafusion import col, lit, udwf

pyproject.toml

@@ -66,7 +66,7 @@ features = ["substrait"]
 
 # Enable docstring linting using the google style guide
 [tool.ruff.lint]
-select = ["E4", "E7", "E9", "F", "D", "W", "I"]
+select = ["E4", "E7", "E9", "F", "FA", "D", "W", "I"]
 
 [tool.ruff.lint.pydocstyle]
 convention = "google"

python/datafusion/io.py

@@ -17,6 +17,8 @@
 
 """IO read functions using global context."""
 
+from __future__ import annotations
+
 import pathlib
 
 import pyarrow

python/tests/test_udaf.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import annotations
+
 from typing import List
 
 import pyarrow as pa

python/tests/test_udwf.py

@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 
+from __future__ import annotations
+
 import pyarrow as pa
 import pytest
 from datafusion import SessionContext, column, lit, udwf