support for ancient Python versions (2.7.x)
diff --git a/include/pybind/operators.h b/include/pybind/operators.h
index e0f858f..84fc4c2 100644
--- a/include/pybind/operators.h
+++ b/include/pybind/operators.h
@@ -103,7 +103,11 @@
 PYBIND_BINARY_OPERATOR(sub,       rsub,         operator-,    l - r)
 PYBIND_BINARY_OPERATOR(add,       radd,         operator+,    l + r)
 PYBIND_BINARY_OPERATOR(mul,       rmul,         operator*,    l * r)
+#if PY_MAJOR_VERSION >= 3
 PYBIND_BINARY_OPERATOR(truediv,   rtruediv,     operator/,    l / r)
+#else
+PYBIND_BINARY_OPERATOR(div,       rdiv,         operator/,    l / r)
+#endif
 PYBIND_BINARY_OPERATOR(mod,       rmod,         operator%,    l % r)
 PYBIND_BINARY_OPERATOR(lshift,    rlshift,      operator<<,   l << r)
 PYBIND_BINARY_OPERATOR(rshift,    rrshift,      operator>>,   l >> r)