Merge pull request #101 from tirkarthi/fix-abc

Import ABC from collections.abc for Python 3.10 compatibility.

sphere/utils/imutils.py

@@ -5,7 +5,7 @@
 @author: avigan
 '''
 
-import collections
+import collections.abc
 import numpy as np
 import scipy.fftpack as fft
 import scipy.ndimage as ndimage
@@ -147,7 +147,7 @@ def shift(array, shift_value, method='fft', mode='constant', cval=0):
         raise ValueError('This function can shift only 1D or 2D arrays')
 
     # check that shift value is fine
-    if isinstance(shift_value, collections.Iterable):
+    if isinstance(shift_value, collections.abc.Iterable):
         shift_value = np.array(shift_value).ravel()
         if (shift_value.size != Ndim):
             raise ValueError('Number of dimensions in array and shift don\'t match')
@@ -722,7 +722,7 @@ def scale(array, scale_value, center=None, new_dim=None, method='fft', mode='con
                           'The center of rotation is exactly at ((dimx-1)/2, dimy/2).')
 
     # check that scale value is fine
-    if isinstance(scale_value, collections.Iterable):
+    if isinstance(scale_value, collections.abc.Iterable):
         scale_value = np.array(scale_value).ravel()
         if (scale_value.size != Ndim):
             raise ValueError('Number of dimensions in array and scale value don\'t match')