Remove unnecessary call to PyErr_Clear.
diff --git a/Modules/pyexpat.c b/Modules/pyexpat.c
index ee59baf..40d9324 100644
--- a/Modules/pyexpat.c
+++ b/Modules/pyexpat.c
@@ -846,7 +846,6 @@
 
     readmethod = PyObject_GetAttrString(f, "read");
     if (readmethod == NULL) {
-        PyErr_Clear();
         PyErr_SetString(PyExc_TypeError,
                         "argument must have 'read' attribute");
         return NULL;