Fix debug_info logic to avoid ValueError on empty _debug_info

pallets · May 6, 2019 · 633a8c1 · 633a8c1
1 parent fd89fed
commit 633a8c1
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/jinja2/environment.py b/jinja2/environment.py
@@ -1126,8 +1126,10 @@ def is_up_to_date(self):
     @property
     def debug_info(self):
         """The debug info mapping."""
-        return [tuple(imap(int, x.split('='))) for x in
-                self._debug_info.split('&')]
+        if self._debug_info:
+            return [tuple(imap(int, x.split('='))) for x in
+                    self._debug_info.split('&')]
+        return []
 
     def __repr__(self):
         if self.name is None: