fix: narwhals.stable.v1.dependencies was importing narwhals.dependencies (#2696)

* fix: narwhals.stable.v1.dependencies may have been importing narwhals.dependencies

* Update tests/stable_v1_dependencies_test.py

Co-authored-by: Dan Redding <[email protected]>

---------

Co-authored-by: Dan Redding <[email protected]>

Author: MarcoGorelli

narwhals/stable/v1/__init__.py

@@ -5,7 +5,7 @@
 from warnings import warn
 
 import narwhals as nw
-from narwhals import dependencies, exceptions, functions as nw_f, selectors
+from narwhals import exceptions, functions as nw_f
 from narwhals._typing_compat import TypeVar
 from narwhals._utils import (
     Implementation,
@@ -29,7 +29,7 @@
 from narwhals.functions import _new_series_impl, concat, show_versions
 from narwhals.schema import Schema as NwSchema
 from narwhals.series import Series as NwSeries
-from narwhals.stable.v1 import dtypes
+from narwhals.stable.v1 import dependencies, dtypes, selectors
 from narwhals.stable.v1.dtypes import (
     Array,
     Binary,

tests/stable_v1_dependencies_test.py

@@ -0,0 +1,17 @@
+from __future__ import annotations
+
+import pytest
+
+pytest.importorskip("pandas")
+import pandas as pd
+
+
+def test_stable_v1_dependenies_import() -> None:
+    # https://github.com/bokeh/bokeh/pull/14530#issuecomment-2984474111
+    # Note: for some reason, this test needs to be in its own file to reproduce
+    # the error observed in Bokeh's CI. Please don't move this test to
+    # tests/v1_test.py.
+    import narwhals.stable.v1 as nw_v1
+
+    df = nw_v1.from_native(pd.DataFrame({"a": [1, 2, 3]}))
+    nw_v1.dependencies.is_pandas_dataframe(df)