diff --git a/pdfminer/pdfinterp.py b/pdfminer/pdfinterp.py
index 6c24a20..c666744 100644
--- a/pdfminer/pdfinterp.py
+++ b/pdfminer/pdfinterp.py
@@ -756,7 +756,7 @@ def process_pdf(rsrc, device, fp, pagenos=None, maxpages=0, password=''):
   parser = PDFParser(doc, fp)
   doc.initialize(password)
   if not doc.is_extractable:
-    raise PDFTextExtractionNotAllowed('Text extraction is not allowed: %r' % fp.name)
+    raise PDFTextExtractionNotAllowed('Text extraction is not allowed: %r' % fp)
   interpreter = PDFPageInterpreter(rsrc, device)
   for (pageno,page) in enumerate(doc.get_pages()):
     if pagenos and (pageno not in pagenos): continue
diff --git a/pdfminer/pdfparser.py b/pdfminer/pdfparser.py
index ce8b926..559e4fd 100644
--- a/pdfminer/pdfparser.py
+++ b/pdfminer/pdfparser.py
@@ -463,7 +463,7 @@ class PDFDocument(object):
       if tree.get('Type') is LITERAL_PAGES and 'Kids' in tree:
         if 1 <= self.debug:
           print >>stderr, 'Pages: Kids=%r' % tree['Kids']
-        for c in tree['Kids']:
+        for c in list_value(tree['Kids']):
           for x in search(c, tree):
             yield x
       elif tree.get('Type') is LITERAL_PAGE: