unknown column error fixed in data explore view

rowers/views.py

@@ -50,7 +50,7 @@ from rowers.forms import (
     RaceResultFilterForm,PowerIntervalUpdateForm,FlexAxesForm,
     FlexOptionsForm,DataFrameColumnsForm,OteWorkoutTypeForm,
     MetricsForm,DisqualificationForm,disqualificationreasons,
-    disqualifiers
+    disqualifiers,SearchForm,
     )
 from django.core.urlresolvers import reverse, reverse_lazy
 
@@ -6994,6 +6994,9 @@ def workouts_view(request,message='',successmessage='',
             reduce(operator.and_,
                    (Q(notes__icontains=q) for q in query_list))
             )
+        searchform = SearchForm(initial={'q':query})
+    else:
+        searchform = SearchForm()
 
     paginator = Paginator(workouts,20) # show 25 workouts per page
     page = request.GET.get('page')
@@ -7038,6 +7041,7 @@ def workouts_view(request,message='',successmessage='',
                   {'workouts': workouts,
                    'active': 'nav-workouts',
                    'rower':r,
+                   'searchform':searchform,
                    'breadcrumbs':breadcrumbs,
                    'dateform':dateform,
                    'startdate':startdate,
@@ -8496,10 +8500,16 @@ def workout_data_view(request, id=0):
 
     datadf.sort_values(['ftime'],inplace=True)
 
-    datadf.drop(labels=[
+    columns = datadf.columns.values
+
+    to_be_dropped = [
         'id','time','hr_an','hr_at','hr_bottom','hr_max',
         'hr_tr','hr_ut1','hr_ut2','x_right',
-    ],inplace=True,axis=1)
+    ]
+    
+    to_be_dropped = [c for c in to_be_dropped if c in columns]
+    
+    datadf.drop(labels=to_be_dropped,inplace=True,axis=1)
     
 
     cols = ['ftime','cumdist','fpace','spm',