minor formatting fixes

Cython/Utility/Exceptions.c

@@ -106,8 +106,7 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
         if (PyInstance_Check(type)) {
             type = (PyObject*) ((PyInstanceObject*)type)->in_class;
             Py_INCREF(type);
-            }
-            else {
+        } else {
             type = 0;
             PyErr_SetString(PyExc_TypeError,
                 "raise: exception must be an old-style class or instance");
@@ -163,8 +162,7 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject
         else if (PyTuple_Check(value)) {
             Py_INCREF(value);
             args = value;
-        }
-        else
+        } else
             args = PyTuple_Pack(1, value);
         if (!args)
             goto bad;
@@ -199,12 +197,10 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject
             fixed_cause = PyObject_CallObject(cause, NULL);
             if (fixed_cause == NULL)
                 goto bad;
-        }
-        else if (PyExceptionInstance_Check(cause)) {
+        } else if (PyExceptionInstance_Check(cause)) {
             fixed_cause = cause;
             Py_INCREF(fixed_cause);
-        }
-        else {
+        } else {
             PyErr_SetString(PyExc_TypeError,
                             "exception causes must derive from "
                             "BaseException");