fixing c2 timezone issue when timezone is unknown

rowers/c2stuff.py

@@ -22,6 +22,8 @@ import json
 from scipy import optimize
 from json.decoder import JSONDecodeError
 
+from pytz.exceptions import UnknownTimeZoneError
+
 from rowsandall_app.settings import (
     C2_CLIENT_ID, C2_REDIRECT_URI, C2_CLIENT_SECRET,
     UPLOAD_SERVICE_URL, UPLOAD_SERVICE_SECRET
@@ -1079,8 +1081,10 @@ def add_workout_from_data(user,importid,data,strokedata,
     except: # pragma: no cover
         comments = ' '
 
-
-    thetimezone = pytz.timezone(data['timezone'])
+    try:
+        thetimezone = pytz.timezone(data['timezone'])
+    except UnknownTimeZoneError:
+        thetimezone = 'UTC'
 
 
     r = Rower.objects.get(user=user)
@@ -1228,7 +1232,10 @@ def add_workout_from_data(user,importid,data,strokedata,
 
     w = Workout.objects.get(id=id)
 
-    local_tz = pytz.timezone(data['timezone'])
+    try:
+        local_tz = pytz.timezone(data['timezone'])
+    except UnknownTimeZoneError:
+        local_tz = pytz.utc
 #    local_tz = pytz.timezone(thetimezone)
 
     w.startdatetime = w.startdatetime.astimezone(local_tz)