Fix deprecated import for Iterable

cgoldberg · cgoldberg · commit f4ea04df16d2 · 2018-11-23T15:55:56.000-05:00
diff --git a/pywt/_utils.py b/pywt/_utils.py
@@ -3,7 +3,7 @@
 # See COPYING for license details.
 import inspect
 import sys
-from collections import Iterable
+from collections.abc import Iterable
 
 from ._extensions._pywt import (Wavelet, ContinuousWavelet,
                                 DiscreteContinuousWavelet, Modes)
