fix

rowers/interactiveplots.py

@@ -1311,7 +1311,6 @@ def instroke_interactive_chart(df,metric, workout, spm_min, spm_max,
     if df.empty:
         return "", "No data in selection"
 
-
     df_pos = (df+abs(df))/2.
     df_min = -(-df+abs(-df))/2.
 

rowers/views/workoutviews.py

@@ -3088,6 +3088,8 @@ def instroke_chart_interactive(request, id=0, analysis=0, userid=0):
         factor=factor,
         )
 
+    data = data.fillna(method='ffill').fillna(method='bfill')
+
 
     if metric == 'boat accelerator curve' and data.median().max() < 0.5:
         data = 9.81*data