rebuild for 10.11+

lib/python3.7/site-packages/PIL/FliImagePlugin.py

@@ -131,6 +131,9 @@ class FliImageFile(ImageFile.ImageFile):
             self.__frame = -1
             self.__fp.seek(self.__rewind)
             self.__offset = 128
+        else:
+            # ensure that the previous frame was loaded
+            self.load()
 
         if frame != self.__frame + 1:
             raise ValueError("cannot seek to frame %d" % frame)
@@ -154,6 +157,15 @@ class FliImageFile(ImageFile.ImageFile):
     def tell(self):
         return self.__frame
 
+    def _close__fp(self):
+        try:
+            if self.__fp != self.fp:
+                self.__fp.close()
+        except AttributeError:
+            pass
+        finally:
+            self.__fp = None
+
 
 #
 # registry