bug fix

rowers/dataprep.py

@@ -1320,7 +1320,7 @@ def save_workout_database(f2, r, dosmooth=True, workouttype='rower',
         tf = TimezoneFinder()
         try:
             timezone_str = tf.timezone_at(lng=lonavg, lat=latavg)
-        except ValueError:
+        except (ValueError,OverflowError):
             timezone_str = 'UTC'
         if timezone_str == None:
             timezone_str = tf.closest_timezone_at(lng=lonavg,

rowers/tasks.py

@@ -420,6 +420,8 @@ def handle_check_race_course(self,
     rowdata['dt'] = rowdata['time'].apply(
         lambda x: safetimedelta(x)
         )
+
+
     rowdata = rowdata.resample('100ms',on='dt').mean()
     rowdata = rowdata.interpolate()