Add pyliblo patch for supporting new python versions

patches/pyliblo/01_python3.7+-support.patch

@@ -0,0 +1,55 @@
+diff --git a/src/liblo.c b/src/liblo.c
+index bb314a5..6535baf 100644
+--- a/src/liblo.c
++++ b/src/liblo.c
+@@ -13882,12 +13882,12 @@ static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
+     *value = local_value;
+     *tb = local_tb;
+ #if CYTHON_COMPILING_IN_CPYTHON
+-    tmp_type = tstate->exc_type;
+-    tmp_value = tstate->exc_value;
+-    tmp_tb = tstate->exc_traceback;
+-    tstate->exc_type = local_type;
+-    tstate->exc_value = local_value;
+-    tstate->exc_traceback = local_tb;
++    tmp_type = tstate->exc_state.exc_type;
++    tmp_value = tstate->exc_state.exc_value;
++    tmp_tb = tstate->exc_state.exc_traceback;
++    tstate->exc_state.exc_type = local_type;
++    tstate->exc_state.exc_value = local_value;
++    tstate->exc_state.exc_traceback = local_tb;
+     /* Make sure tstate is in a consistent state when we XDECREF
+        these objects (DECREF may run arbitrary code). */
+     Py_XDECREF(tmp_type);
+@@ -13927,9 +13927,9 @@ bad:
+ static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
+ #if CYTHON_COMPILING_IN_CPYTHON
+     PyThreadState *tstate = PyThreadState_GET();
+-    *type = tstate->exc_type;
+-    *value = tstate->exc_value;
+-    *tb = tstate->exc_traceback;
++    *type = tstate->exc_state.exc_type;
++    *value = tstate->exc_state.exc_value;
++    *tb = tstate->exc_state.exc_traceback;
+     Py_XINCREF(*type);
+     Py_XINCREF(*value);
+     Py_XINCREF(*tb);
+@@ -13941,12 +13941,12 @@ static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb)
+ #if CYTHON_COMPILING_IN_CPYTHON
+     PyObject *tmp_type, *tmp_value, *tmp_tb;
+     PyThreadState *tstate = PyThreadState_GET();
+-    tmp_type = tstate->exc_type;
+-    tmp_value = tstate->exc_value;
+-    tmp_tb = tstate->exc_traceback;
+-    tstate->exc_type = type;
+-    tstate->exc_value = value;
+-    tstate->exc_traceback = tb;
++    tmp_type = tstate->exc_state.exc_type;
++    tmp_value = tstate->exc_state.exc_value;
++    tmp_tb = tstate->exc_state.exc_traceback;
++    tstate->exc_state.exc_type = type;
++    tstate->exc_state.exc_value = value;
++    tstate->exc_state.exc_traceback = tb;
+     Py_XDECREF(tmp_type);
+     Py_XDECREF(tmp_value);
+     Py_XDECREF(tmp_tb);