DEV: Adjust string formatting to be able to use mutmut

Relates to davidhalter/parso#207
py-pdf · Jun 22, 2022 · 70166cb · 70166cb
1 parent 187224a
commit 70166cb
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/PyPDF2/generic.py b/PyPDF2/generic.py
@@ -565,7 +565,11 @@ def write_to_stream(
             stream.write(b"(")
             for c in bytearr:
                 if not chr(c).isalnum() and c != b" ":
-                    stream.write(b_(rf"\{c:0>3o}"))
+                    # This:
+                    #   stream.write(b_(rf"\{c:0>3o}"))
+                    # gives
+                    #   https://github.com/davidhalter/parso/issues/207
+                    stream.write(b_("\\%03o" % c))
                 else:
                     stream.write(b_(chr(c)))
             stream.write(b")")