Merge pull request #256 from astronomy-commons/sean/fix-typing

Fix `from_healpix` typing

src/hipscat/pixel_tree/pixel_tree.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import List
+from typing import List, Sequence
 
 import numpy as np
 
@@ -87,11 +87,13 @@ def get_healpix_pixels(self) -> List[HealpixPixel]:
         return np.vectorize(HealpixPixel)(self.pixels.T[0], self.pixels.T[1])
 
     @classmethod
-    def from_healpix(cls, healpix_pixels: List[HealpixInputTypes], tree_order=None) -> PixelTree:
+    def from_healpix(cls, healpix_pixels: Sequence[HealpixInputTypes], tree_order=None) -> PixelTree:
         """Build a tree from a list of constituent healpix pixels
 
         Args:
             healpix_pixels: list of healpix pixels
+            tree_order (int): (Default = None) order to generate the tree at. If None, will use the highest
+                order from input pixels
 
         Returns:
             The pixel tree with the leaf pixels specified in the list

src/hipscat/pixel_tree/pixel_tree_builder.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import List
+from typing import Sequence
 
 from hipscat.pixel_math.healpix_pixel_convertor import HealpixInputTypes
 from hipscat.pixel_tree.pixel_tree import PixelTree
@@ -18,7 +18,7 @@ class PixelTreeBuilder:
     """
 
     @staticmethod
-    def from_healpix(healpix_pixels: List[HealpixInputTypes]) -> PixelTree:
+    def from_healpix(healpix_pixels: Sequence[HealpixInputTypes]) -> PixelTree:
         """Build a tree from a list of constituent healpix pixels
 
         Args: