Update __init__.py

Author: JorjMcKie

src/__init__.py

@@ -5282,7 +5282,7 @@ def pages(self, start: OptInt =None, stop: OptInt =None, step: OptInt =None) ->
         Arguments have the same meaning as for the range() built-in.
         """
         if not self.page_count:
-            raise ValueError("document has no pages")
+            return
         # set the start value
         start = start or 0
         while start < 0: