From c3231c7ded644f9afe891a9a1e58aa09b60bbf97 Mon Sep 17 00:00:00 2001
From: Kyle Gengler <kyle.gengler@gmail.com>
Date: Tue, 28 Mar 2017 06:58:36 -0500
Subject: [PATCH] update _rotate function to account for /Rotate being set to
 an IndirectObject instead of an int

---
 PyPDF2/pdf.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/PyPDF2/pdf.py b/PyPDF2/pdf.py
index 58f4ca6..c4a25d6 100644
--- a/PyPDF2/pdf.py
+++ b/PyPDF2/pdf.py
@@ -2226,7 +2226,8 @@ class PageObject(DictionaryObject):
         return self
 
     def _rotate(self, angle):
-        currentAngle = self.get("/Rotate", 0)
+        rotateObj = self.get("/Rotate", 0)
+        currentAngle = rotateObj if isinstance(rotateObj, int) else rotateObj.getObject()
         self[NameObject("/Rotate")] = NumberObject(currentAngle + angle)
 
     def _mergeResources(res1, res2, resource):