types

src/lsdb/catalog/dataset/healpix_dataset.py

@@ -705,7 +705,7 @@ def plot_points(
         dec_column: str | None = None,
         color_col: str | None = None,
         projection: str = "MOL",
-        title: str = None,
+        title: str | None = None,
         fov: Quantity | Tuple[Quantity, Quantity] = None,
         center: SkyCoord | None = None,
         wcs: astropy.wcs.WCS = None,
@@ -775,6 +775,12 @@ def plot_points(
         if dec_column is None:
             dec_column = self.hc_structure.catalog_info.dec_column
 
+        if ra_column is None:
+            raise ValueError("Catalog has no RA Column")
+
+        if dec_column is None:
+            raise ValueError("Catalog has no DEC Column")
+
         if title is None:
             title = f"Points in the {self.name} catalog"
 

tests/lsdb/catalog/test_catalog.py

@@ -12,10 +12,10 @@
 import numpy.testing as npt
 import pandas as pd
 import pytest
-from hats.io.file_io import read_fits_image
 from astropy.coordinates import SkyCoord
 from astropy.visualization.wcsaxes import WCSAxes
 from hats.inspection.visualize_catalog import get_fov_moc_from_wcs
+from hats.io.file_io import read_fits_image
 from hats.pixel_math import HealpixPixel, spatial_index_to_healpix
 from mocpy import WCS
 
@@ -25,6 +25,12 @@
 from lsdb.dask.merge_catalog_functions import filter_by_spatial_index_to_pixel
 
 
+@pytest.fixture(autouse=True)
+def reset_matplotlib():
+    yield
+    plt.close("all")
+
+
 def test_catalog_pixels_equals_hc_catalog_pixels(small_sky_order1_catalog, small_sky_order1_hats_catalog):
     assert small_sky_order1_catalog.get_healpix_pixels() == small_sky_order1_hats_catalog.get_healpix_pixels()