fixed time weighted mean bug

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rowers/dataprep.py

@@ -1634,6 +1634,7 @@ def testdata(time, distance, pace, spm):
 def getrowdata_db(id=0, doclean=False, convertnewtons=True):
     data = read_df_sql(id)
     data['x_right'] = data['x_right'] / 1.0e6
+    data['deltat'] = data['time'].diff()
 
     if data.empty:
         rowdata, row = getrowdata(id=id)

rowers/views.py

@@ -1762,7 +1762,6 @@ def workouts_summaries_email_view(request):
                 first=startdate,
                 last=enddate
                 )
-            print filename
             df = dataprep.workout_summary_to_df(r,startdate=startdate,enddate=enddate)
             df.to_csv(filename,encoding='utf-8')
             res = myqueue(queuehigh,handle_sendemailsummary,
@@ -7535,7 +7534,7 @@ def workout_stats_view(request,id=0,message="",successmessage=""):
         if datadf.empty:
             return HttpResponse("CSV data file not found")
 
-    datadf['deltat'] = datadf['time'].diff()
+    #datadf['deltat'] = datadf['time'].diff()
         
         
     workoutstateswork = [1,4,5,8,9,6,7]