Get rid of distutils dependency -- Depend on newer scipy (#346)

* Get rid of distutils dependency -- Depend on newer scipy
* Update setup.py
* Update test_core.py

setup.py

@@ -32,7 +32,7 @@ def run_tests(self):
     "dask[array] >=2023.2.0",
     "dask[dataframe] >=2023.2.0",
     "numpy >=1.18",
-    "scipy >=0.19.1",
+    "scipy >=1.7.0",
     "pims >=0.4.1",
     "tifffile >=2018.10.18",
     "pandas >=2.0.0",

tests/test_dask_image/test_ndfourier/test_core.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 import numbers
-from distutils.version import LooseVersion
 
 import pytest
 import numpy as np
@@ -92,7 +91,6 @@ def test_fourier_filter_identity(funcname, s):
 )
 def test_fourier_filter_type(funcname, upcast_type, dtype):
     if (
-            LooseVersion(sp.__version__) >= "1.0.0" and
             dtype in [np.int64, np.float64] and
             funcname in ["fourier_gaussian", "fourier_uniform"]
        ):

tests/test_dask_image/test_ndmeasure/test_core.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-from distutils.version import LooseVersion
 import itertools as it
 import warnings as wrn
 
@@ -107,13 +106,7 @@ def test_center_of_mass(datatype):
     ]
 )
 def test_measure_props(funcname, shape, chunks, has_lbls, ind):
-    # early scipy version uses a different name sum insted of sum_labels.
-    if funcname == 'sum_labels' and scipy.__version__ < LooseVersion('1.6.0'):
-        scipy_funcname = 'sum'
-    else:
-        scipy_funcname = funcname
-
-    sp_func = getattr(scipy.ndimage, scipy_funcname)
+    sp_func = getattr(scipy.ndimage, funcname)
     da_func = getattr(dask_image.ndmeasure, funcname)
 
     a = np.random.random(shape)