fixing timezone error c2 import

rowers/dataprep.py

@@ -1156,7 +1156,8 @@ def save_workout_database(f2, r, dosmooth=True, workouttype='rower',
                           consistencychecks=False,
                           startdatetime='',
                           workoutid='',
-                          impeller=False):
+                          impeller=False,
+                          timezone=''):
 
     message = None
 
@@ -1173,7 +1174,7 @@ def save_workout_database(f2, r, dosmooth=True, workouttype='rower',
     row = rdata(f2, rower=rr)
 
     startdatetime, startdate, starttime, timezone_str, partofday = get_startdate_time_zone(
-        r, row, startdatetime=startdatetime)
+        r, row, startdatetime=startdatetime, timezone=timezone)
 
     if title is None or title == '':
         title = 'Workout'
@@ -1463,6 +1464,7 @@ def new_workout_from_file(r, f2,
                           rpe=-1,
                           makeprivate=False,
                           startdatetime='',
+                          timezone='',
                           notes='',
                           workoutid='',
                           oarlockfirmware='',
@@ -1641,6 +1643,7 @@ def new_workout_from_file(r, f2,
         workoutsource=workoutsource,
         summary=summary,
         startdatetime=startdatetime,
+        timezone=timezone, 
         rpe=rpe,
         inboard=inboard, oarlength=oarlength,
         seatnumber=seatnumber, boatname=boatname,