MNT: Clean up initializing osx timer context

dopplershift · dopplershift · commit 259a89b1ec70 · 2017-11-01T21:46:12.000-06:00
Group setting all attributes together. Use NULL (rather than 0) where
appropriate for clarity.
diff --git a/src/_macosx.m b/src/_macosx.m
@@ -2895,10 +2895,6 @@ static void context_cleanup(const void* info)
         PyErr_SetString(PyExc_RuntimeError, "Failed to obtain run loop");
         return NULL;
     }
-    context.version = 0;
-    context.retain = 0;
-    context.release = context_cleanup;
-    context.copyDescription = 0;
     attribute = PyObject_GetAttrString((PyObject*)self, "_interval");
     if (attribute==NULL)
     {
@@ -2938,6 +2934,10 @@ static void context_cleanup(const void* info)
         PyErr_SetString(PyExc_RuntimeError, "_on_timer should be a Python method");
         return NULL;
     }
+    context.version = 0;
+    context.retain = NULL;
+    context.release = context_cleanup;
+    context.copyDescription = NULL;
     context.info = attribute;
     timer = CFRunLoopTimerCreate(kCFAllocatorDefault,
                                  0,
