Fix DeprecationWarning regarding collections.abc and isAlive.

Author: tirkarthi

IPy.py

@@ -9,9 +9,12 @@
 __version__ = '1.00'
 
 import bisect
-import collections
 import sys
 import types
+try:
+    import collections.abc as collections_abc
+except ImportError:
+    import collections as collections_abc
 
 # Definition of the Ranges for IPv4 IPs
 # this should include www.iana.org/assignments/ipv4-address-space
@@ -1022,10 +1025,10 @@ def v46map(self):
         raise ValueError("%s cannot be converted to an IPv4 address."
                          % repr(self))
 
-class IPSet(collections.MutableSet):
+class IPSet(collections_abc.MutableSet):
     def __init__(self, iterable=[]):
         # Make sure it's iterable, otherwise wrap
-        if not isinstance(iterable, collections.Iterable):
+        if not isinstance(iterable, collections_abc.Iterable):
             raise TypeError("'%s' object is not iterable" % type(iterable).__name__)
 
         # Make sure we only accept IP objects
@@ -1099,7 +1102,7 @@ def len(self):
 
     def add(self, value):
         # Make sure it's iterable, otherwise wrap
-        if not isinstance(value, collections.Iterable):
+        if not isinstance(value, collections_abc.Iterable):
             value = [value]
 
         # Check type
@@ -1113,7 +1116,7 @@ def add(self, value):
 
     def discard(self, value):
         # Make sure it's iterable, otherwise wrap
-        if not isinstance(value, collections.Iterable):
+        if not isinstance(value, collections_abc.Iterable):
             value = [value]
 
         # This is much faster than iterating over the addresses

test/test_IPy.py

@@ -788,7 +788,11 @@ def run(self):
     it.setDaemon(True)
     it.start()
     it.join(timeout_duration)
-    if it.isAlive():
+    if hasattr(it, 'is_alive'):
+        is_alive = it.is_alive()
+    else:
+        is_alive = it.isAlive()
+    if is_alive:
         return default
     else:
         return it.result