Temporary fix for problematic test

Author: martinmoldrup

tests/doc_examples/snappylapy/fixtures/test_load_snapshot_from_file_dataframe.py

@@ -1,11 +1,18 @@
 import pytest
-import pandas as pd
 from snappylapy.fixtures import LoadSnapshot, Expect
 
+try:
+    import pandas as pd  # noqa: F401
+    pandas_installed = True
+except ImportError:
+    pandas_installed = False
+
+@pytest.mark.skipif(not pandas_installed, reason="pandas is not installed")
 def test_save_dataframe_snapshot(expect: Expect) -> None:
     df: pd.DataFrame = pd.DataFrame({"numbers": [1, 2, 3]})
     expect(df).to_match_snapshot()
 
+@pytest.mark.skipif(not pandas_installed, reason="pandas is not installed")
 @pytest.mark.snappylapy(depends=[test_save_dataframe_snapshot])
 def test_load_snapshot_dataframe(load_snapshot: LoadSnapshot) -> None:
     df: pd.DataFrame = load_snapshot.dataframe()