MAINT: Add diagnostic output to exception in read_from_stream

Co-authored-by: speedplane <mes65@cornell.edu>
py-pdf · Jul 24, 2022 · 32cab9c · 32cab9c
1 parent c529884
commit 32cab9c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/PyPDF2/generic.py b/PyPDF2/generic.py
@@ -862,7 +862,7 @@ def read_unsized_from_steam(stream: StreamType, pdf: Any) -> bytes:  # PdfReader
                     stream.seek(pos, 0)
                     raise PdfReadError(
                         "Unable to find 'endstream' marker after stream at byte "
-                        f"{hex_str(stream.tell())}."
+                        f"{hex_str(stream.tell())} (nd='{ndstream!r}', end='{end!r}')."
                     )
         else:
             stream.seek(pos, 0)