diff --git a/rowers/dataprepnodjango.py b/rowers/dataprepnodjango.py
index 4516ae54..493357d8 100644
--- a/rowers/dataprepnodjango.py
+++ b/rowers/dataprepnodjango.py
@@ -10,6 +10,7 @@ from rowingdata import make_cumvalues
 from rowingdata import rower as rrower
 from rowingdata import main as rmain
 from rowingdata import empower_bug_correction,get_empower_rigging
+from rowingdata.csvparsers import make_cumvalues_array
 from time import strftime
 from pandas import DataFrame,Series
 
diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index 380088d6..19197f0a 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -4657,6 +4657,7 @@ def interactive_multiple_compare_chart(ids,xparam,yparam,plottype='line',
     message = ''
     errormessage = ''
 
+
     columns = [xparam,yparam,
                'ftime','distance','fpace',
                'power','hr','spm',
diff --git a/rowers/views/exportviews.py b/rowers/views/exportviews.py
index dc83f46e..4de899e5 100644
--- a/rowers/views/exportviews.py
+++ b/rowers/views/exportviews.py
@@ -277,7 +277,7 @@ def workout_csvtoadmin_view(request,id=0):
     messages.info(request,successmessage)
     url = reverse('workout_view',
 		  kwargs = {
-		      'id':str(w.id),
+		      'id':encoder.encode_hex(w.id),
 		  })
     response = HttpResponseRedirect(url)