defer.patch

diff --git a/__init__.py b/__init__.py
index 3dff370..3b27f4f 100644
--- a/__init__.py
+++ b/__init__.py
@@ -129,7 +129,7 @@ class DeferredException(object):
         if PY3K:
             raise self.value.with_traceback(self.traceback)
         else:
-            raise self.type, self.value, self.traceback
+            raise (self.type, self.value, self.traceback)
 
     def catch(self, *errors):
         """Check if the stored exception is a subclass of one of the
@@ -260,8 +260,8 @@ class Deferred(object):
         >>> deferred.result
         'Got: catched'
         """
-        assert isinstance(callback, collections.Callable)
-        assert errback is None or isinstance(errback, collections.Callable)
+        assert isinstance(callback, collections.abc.Callable)
+        assert errback is None or isinstance(errback, collections.abc.Callable)
         if errback is None:
             errback = _passthrough
         self.callbacks.append(((callback,
@@ -432,7 +432,7 @@ def defer(func, *args, **kwargs):
     >>> defer(lambda: deferred) == deferred
     True
     """
-    assert isinstance(func, collections.Callable)
+    assert isinstance(func, collections.abc.Callable)
     try:
         result = func(*args, **kwargs)
     except: