[damned-lies] Ignore pogrep.rungrep exceptions

[Claude Paroz <claudep src gnome org>]

commit 02a711853f54589287178c769aae89a5b2e31ab1
Author: Claude Paroz <claude 2xlibre net>
Date:   Tue Sep 17 10:47:35 2019 +0200

    Ignore pogrep.rungrep exceptions

 stats/utils.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/stats/utils.py b/stats/utils.py
index 7023d464..6332ef0f 100644
--- a/stats/utils.py
+++ b/stats/utils.py
@@ -384,7 +384,10 @@ def po_grep(in_file, out_file, filter_):
             return
     grepfilter = pogrep.GrepFilter(filter_str, filter_loc, useregexp=True, invertmatch=True, 
keeptranslations=True)
     with open(out_file, "wb") as out:
-        pogrep.rungrep(in_file, out, None, grepfilter)
+        try:
+            pogrep.rungrep(in_file, out, None, grepfilter)
+        except Exception:
+            pass
     # command-line variant:
     """
     cmd = "pogrep --invert-match --header --search=locations --regexp \"gschema\\.xml\\.in|schemas\\.in\" 
%(full_po)s %(part_po)s" % {