remove unnecessary braces and indentation

Objects/odictobject.c

@@ -2404,12 +2404,14 @@ mutablemapping_update(PyObject *self, PyObject *args, PyObject *kwargs)
     /* first handle args, if any */
     if (len < 0) /* PyObject_Size raised an exception. */
         return NULL;
-    else if (len > 1) {
+
+    if (len > 1) {
         char *msg = "update() takes at most 1 positional argument (%d given)";
         PyErr_Format(PyExc_TypeError, msg, len);
         return NULL;
     }
-    else if (len == 1) {
+
+    
     PyObject *other = PyTuple_GET_ITEM(args, 0);  /* borrowed reference */
     if (other == NULL)
         return NULL;
@@ -2459,13 +2461,11 @@ mutablemapping_update(PyObject *self, PyObject *args, PyObject *kwargs)
         if (res != 0)
             return NULL;
     }
-    }
 
     /* now handle kwargs */
     len = (kwargs != NULL) ? PyObject_Size(kwargs) : 0;
     if (len < 0) /* PyObject_Size raised an exception. */
         return NULL;
-    else if (len > 0) {
     PyObject *items;
     if (!PyMapping_Check(kwargs)) {
         PyErr_SetString(PyExc_TypeError, "expected mapping for kwargs");
@@ -2478,7 +2478,6 @@ mutablemapping_update(PyObject *self, PyObject *args, PyObject *kwargs)
     Py_DECREF(items);
     if (res == -1)
         return NULL;
-    }
 
     Py_RETURN_NONE;
 }