chore: skip tensorflow tests (#2570)

importing tensorflow cause failures on main. 
https://github.com/lancedb/lance/actions/runs/9814654020/job/27102586923

python/python/tests/test_tf.py

@@ -4,12 +4,16 @@
 import os
 import warnings
 
+import lance
 import ml_dtypes
 import numpy as np
 import pandas as pd
 import pyarrow as pa
 import pytest
 from lance.arrow import BFloat16Type, ImageArray, bfloat16_array
+from lance.fragment import LanceFragment
+
+pytest.skip("Skip tensorflow tests", allow_module_level=True)
 
 try:
     with warnings.catch_warnings():
@@ -22,15 +26,13 @@
         allow_module_level=True,
     )
 
-import lance
-from lance.fragment import LanceFragment
-from lance.tf.data import (
+from lance.tf.data import (  # noqa: E402
     from_lance,
     from_lance_batches,
     lance_fragments,
     lance_take_batches,
 )
-from lance.tf.tfrecord import infer_tfrecord_schema, read_tfrecord
+from lance.tf.tfrecord import infer_tfrecord_schema, read_tfrecord  # noqa: E402
 
 
 @pytest.fixture