Test moving skan to hopefully avoid general test failure.

src/spyglass/common/common_position.py

@@ -19,8 +19,6 @@
     interpolate_nan,
 )
 from position_tools.core import gaussian_smooth
-from skan import skeleton_to_csgraph
-from skan.draw import _clean_positions_dict
 from tqdm import tqdm_notebook as tqdm
 from track_linearization import (
     get_linearized_position,
@@ -30,7 +28,7 @@
 )
 
 from .common_behav import RawPosition, VideoFile
-from .common_interval import IntervalList
+from .common_interval import IntervalList  # noqa
 from .common_nwbfile import AnalysisNwbfile
 from ..utils.dj_helper_fn import fetch_nwb
 
@@ -954,6 +952,9 @@ def get_polygon_mask(self, plot_mask=True):
         return is_in_polygon
 
     def get_graph(self):
+        from skan import skeleton_to_csgraph
+        from skan.draw import _clean_positions_dict
+
         mask = self.get_polygon_mask()
         skeleton = skimage.morphology.skeletonize(mask)
         csr_graph, coordinates, _ = skeleton_to_csgraph(skeleton)