pypdf4.patch

diff --git PyPDF4/pdf.py PyPDF4/pdf.py
index 8bfd312..1f9942f 100644
--- PyPDF4/pdf.py
+++ PyPDF4/pdf.py
@@ -499,8 +499,12 @@ class PdfFileWriter(object):
                 assert len(key) == (len(self._encrypt_key) + 5)
                 md5_hash = md5(key).digest()
                 key = md5_hash[:min(16, len(self._encrypt_key) + 5)]
-            obj.writeToStream(stream, key)
-            stream.write(b_("\nendobj\n"))
+
+            try:
+                obj.writeToStream(stream, key)
+                stream.write(b_("\nendobj\n"))
+            except:
+                pass
 
         # xref table
         xref_location = stream.tell()
@@ -1122,7 +1126,7 @@ class PdfFileReader(object):
         ``warnings.py`` module with a custom implementation (defaults to
         ``True``).
     """
-    def __init__(self, stream, strict=True, warndest = None, overwriteWarnings = True):
+    def __init__(self, stream, strict=False, warndest = None, overwriteWarnings = True):
         if overwriteWarnings:
             # have to dynamically override the default showwarning since there are no
             # public methods that specify the 'file' parameter
@@ -1692,8 +1696,8 @@ class PdfFileReader(object):
         else:
             warnings.warn("Object %d %d not defined."%(indirectReference.idnum,
                         indirectReference.generation), utils.PdfReadWarning)
-            #if self.strict:
-            raise utils.PdfReadError("Could not find object.")
+            if self.strict:
+                raise utils.PdfReadError("Could not find object.")
         self.cacheIndirectObject(indirectReference.generation,
                     indirectReference.idnum, retval)
         return retval