diff --git a/inst/@py/subsref.m b/inst/@py/subsref.m
index 9316b670a9ef3a8ca853bd696adc6b7fb002a284..9e24a8cf9b43fd2bfcebb6fc456aa0558bda01ee 100644
--- a/inst/@py/subsref.m
+++ b/inst/@py/subsref.m
@@ -60,9 +60,17 @@ function varargout = subsref (x, idx)
   ## If the *last* indexing operation is ".name", and the object returned
   ## is a Python callable, then call it with no arguments to be compatible
   ## with how Octave functions are evaluated.
+  pyexec("import sys");
   if (idx(end).type == ".")
-    if (isa (y, "py.collections.Callable"))
-      y = pycall (y);
+    # use hexversion of python 3.3 which introduced abc
+    if (double (pyeval("sys.hexversion")) >= 50528496)
+      if (isa (y, "py.collections.abc.Callable"))
+        y = pycall (y);
+      endif
+    else
+      if (isa (y, "py.collections.Callable"))
+        y = pycall (y);
+      endif
     endif
   endif
 
diff --git a/inst/@pyobject/subsasgn.m b/inst/@pyobject/subsasgn.m
index 7bc5e850fde9981201a9a14fcdc21493d4b8ba39..67dde470829338b624552f180dbee7b4cbfc0383 100644
--- a/inst/@pyobject/subsasgn.m
+++ b/inst/@pyobject/subsasgn.m
@@ -51,8 +51,13 @@ function r = subsasgn(x, idx, rhs)
       ## XXX: doesn't support slices or anything like that yet
 
       ## Subtract one from index: do this for lists, numpy arrays, etc
-      x_is_sequence = any (isa (x, {"py.collections.Sequence", ...
-                                    "py.numpy.ndarray"}));
+      if (double (py.sys.hexversion) >= 50528496)
+        x_is_sequence = any (isa (x, {"py.collections.abc.Sequence", ...
+                                      "py.numpy.ndarray"}));
+      else
+        x_is_sequence = any (isa (x, {"py.collections.Sequence", ...
+                                      "py.numpy.ndarray"}));
+      endif
       for i = 1:length (idx.subs)
         j = idx.subs{i};
         if (x_is_sequence && isindex (j) && isnumeric (j))
diff --git a/inst/@pyobject/subsref.m b/inst/@pyobject/subsref.m
index 5b5ae11798df32ef60c7c23f7610a7e5cb7f577d..7da2b9981498ff931a086ebdf85f491bbe0898f5 100644
--- a/inst/@pyobject/subsref.m
+++ b/inst/@pyobject/subsref.m
@@ -42,11 +42,18 @@ function varargout = subsref (x, idx)
       r = pycall ("getattr", x, t.subs);
 
     case "()"
-      ## Determine the types and protocols that we are able to index into
-      x_is_callable = __py_isinstance__ (x, "py.collections.Callable");
-      x_is_sequence = __py_isinstance__ (x, "py.collections.Sequence") ...
-                      | __py_isinstance__ (x, "py.array.array") ...
-                      | __py_isinstance__ (x, "py.numpy.ndarray");
+      if (double (py.sys.hexversion) > 34018032)
+        ## Determine the types and protocols that we are able to index into
+        x_is_callable = __py_isinstance__ (x, "py.collections.abc.Callable");
+        x_is_sequence = __py_isinstance__ (x, "py.collections.abc.Sequence") ...
+                        | __py_isinstance__ (x, "py.array.array") ...
+                        | __py_isinstance__ (x, "py.numpy.ndarray");
+      else
+        x_is_callable = __py_isinstance__ (x, "py.collections.Callable");
+        x_is_sequence = __py_isinstance__ (x, "py.collections.Sequence") ...
+                        | __py_isinstance__ (x, "py.array.array") ...
+                        | __py_isinstance__ (x, "py.numpy.ndarray");
+      endif
 
       if (! (x_is_callable || x_is_sequence))
         error ("subsref: cannot index Python object, not sequence or callable");
@@ -59,11 +66,17 @@ function varargout = subsref (x, idx)
       r = pycall (x, t.subs{:});
 
     case "{}"
-      ## Determine the types and protocols that we are able to index into
       x_is_mapping = __py_isinstance__ (x, "py.collections.Mapping");
-      x_is_sequence = __py_isinstance__ (x, "py.collections.Sequence") ...
+      if (double (py.sys.hexversion) >= 50528496)
+        ## Determine the types and protocols that we are able to index into
+        x_is_sequence = __py_isinstance__ (x, "py.collections.abc.Sequence") ...
                       | __py_isinstance__ (x, "py.array.array") ...
                       | __py_isinstance__ (x, "py.numpy.ndarray");
+      else
+        x_is_sequence = __py_isinstance__ (x, "py.collections.Sequence") ...
+                      | __py_isinstance__ (x, "py.array.array") ...
+                      | __py_isinstance__ (x, "py.numpy.ndarray");
+      endif
 
       if (! (x_is_mapping || x_is_sequence))
         error ("subsref: cannot index Python object, not sequence or mapping");
diff --git a/src/oct-py-eval.cc b/src/oct-py-eval.cc
index b8ff922eefceb795c8795aa11c65bf9284743197..bab5c50414bc95f54be158e59086f8ba04c2a61f 100644
--- a/src/oct-py-eval.cc
+++ b/src/oct-py-eval.cc
@@ -84,7 +84,12 @@ namespace pythonic
   PyObject *
   py_call_function (PyObject *callable, PyObject *args, PyObject *kwargs)
   {
+#if PY_VERSION_HEX <= 0x03080000
     python_object retval = PyEval_CallObjectWithKeywords (callable, args, kwargs);
+#else
+    python_object retval = PyObject_Call (callable, args, kwargs);
+#endif 
+
     if (! retval)
       error_python_exception ();