Use compiled regex object instead of re.sub

Change-Id: I231eadde4b6b17955ff4fbf0fd66d6bdfd252faa
---
M scripts/solve_disambiguation.py
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/solve_disambiguation.py b/scripts/solve_disambiguation.py
index e921b4c..dbbd6f0 100755
--- a/scripts/solve_disambiguation.py
+++ b/scripts/solve_disambiguation.py
@@ -965,8 +965,8 @@
                         (len(new_page_title) <= len(link_text)) and
                         (firstcap(link_text[:len(new_page_title)]) ==
                          firstcap(new_page_title)) and
-                        (re.sub(self.trailR, '',
-                                link_text[len(new_page_title):]) == '') and
+                        (self.trailR.sub(
+                            '', link_text[len(new_page_title):]) == '') and
                         (not section)
                     ):
                         newlink = "[[%s]]%s" \
