added options error check

rowers/views.py

@@ -3424,9 +3424,17 @@ def multiflex_view(request,userid=0,
 
     if 'options' in request.session:
         options = request.session['options']
+
+    try:
+        includereststrokes = options['includereststrokes']
+    except KeyError:
+        includereststrokes = False
+
+    try:
+        ploterrorbars = options['ploterrorbars']
+    except KeyError:
+        ploterrorbars = False
         
-    includereststrokes = options['includereststrokes']
-    ploterrorbars = options['ploterrorbars']
     workstrokesonly = not includereststrokes
 
     if userid==0: