catching a few more exceptions

rowers/tasks.py

@@ -336,6 +336,8 @@ def handle_strava_sync(stravatoken,workoutid,filename,name,activity_type,descrip
                 failed = True
         except ActivityUploadFailed: # pragma: no cover
             failed = True
+    except FileNotFoundError:
+        failed = True
 
     if not failed:
         result = update_workout_field_sql(workoutid,'uploadedtostrava',res.id,debug=debug)
@@ -3475,7 +3477,8 @@ def fetch_strava_workout(stravatoken,oauth_data,stravaid,csvfilename,userid,debu
     pace = 500./(1.0*velo2)
     pace[np.isinf(pace)] = 0.0
 
-    strokedata = pd.DataFrame({'t':10*t,
+    try:
+        strokedata = pd.DataFrame({'t':10*t,
                        'd':10*d,
                        'p':10*pace,
                        'spm':spm,
@@ -3485,6 +3488,8 @@ def fetch_strava_workout(stravatoken,oauth_data,stravaid,csvfilename,userid,debu
                        'power':power,
                        'strokelength':strokelength,
                        })
+    except ValueError:
+        return 0 
 
     try:
         workouttype = mytypes.stravamappinginv[workoutsummary['type']]