prevent exception if allgo.log contains invalid UTF-8 chars

django/allgo/main/views.py

@@ -509,7 +509,7 @@ class JobDetail(LoginRequiredMixin, DetailView):
         else:
             log_file = os.path.join(dirname, 'allgo.log')
             if os.path.isfile(log_file):
-                with open(log_file, 'r') as log_data:
+                with open(log_file, 'r', errors="replace") as log_data:
                     logs = log_data.read()
             else:
                 logs = 'Can\'t load the log file'