Fix some problems introduced by the str8 repr change.
diff --git a/Lib/pickle.py b/Lib/pickle.py
index 9919aa4..27f7eca 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -501,7 +501,8 @@
             else:
                 self.write(BINSTRING + pack("<i", n) + bytes(obj))
         else:
-            self.write(STRING + bytes(repr(obj)) + b'\n')
+            # Strip leading 's' due to repr() of str8() returning s'...'
+            self.write(STRING + bytes(repr(obj).lstrip("s")) + b'\n')
         self.memoize(obj)
     dispatch[str8] = save_string