bug fixes

rowers/dataprep.py

@@ -2540,7 +2540,10 @@ def getsmallrowdata_db(columns, ids=[], doclean=True,workstrokesonly=True,comput
                     df = pd.read_parquet(f,columns=columns)
                     data.append(df)
 
-        df = pd.concat(data,axis=0)
+        try:
+            df = pd.concat(data,axis=0)
+        except ValueError:
+            return pd.DataFrame()
         # df = dd.concat(data,axis=0)
 
     else:

rowers/garmin_stuff.py

@@ -550,6 +550,7 @@ def garmin_workouts_from_details(data):
             samples = activity['samples']
             df = pd.DataFrame(samples)
             df.rename(columns=columns,inplace=True)
+
             try:
                 pace = 500./df[' AverageBoatSpeed (m/s)']
             except KeyError:

rowers/views/analysisviews.py

@@ -2507,7 +2507,7 @@ def history_view_data(request,userid=0):
         ddict['hrmean'] = int(wavg(ddf,'hr','deltat'))
         try:
             ddict['hrmax'] = ddf['hr'].max().astype(int)
-        except (ValueError, AttributeError): # pragma: no cover
+        except (KeyError, ValueError, AttributeError): # pragma: no cover
             ddict['hrmax'] = 0
 
         ddict['powermean'] = int(wavg(ddf,'power','deltat'))