added a simple analysis test but should be altered

rowers/views/analysisviews.py

@@ -2276,6 +2276,8 @@ def history_view_data(request, userid=0):
             ddf = ddf.with_columns(pl.col("time").diff().clip(lower_bound=0).alias("deltat"))
         except KeyError:  # pragma: no cover
             pass
+        except ColumnNotFoundError:
+            pass
 
         ddf = dataprep.clean_df_stats_pl(ddf, workstrokesonly=False,
                                       ignoreadvanced=True)
@@ -2288,6 +2290,8 @@ def history_view_data(request, userid=0):
             ddict['hrmax'] = int(ddf['hr'].max())
         except (KeyError, ValueError, AttributeError):  # pragma: no cover
             ddict['hrmax'] = 0
+        except ColumnNotFoundError:
+            ddict['hrmax'] = 0
 
         ddict['powermean'] = int(wavg(ddf, 'power', 'deltat'))
         try: