Fix parsing tweaks

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

participation/models.py

@@ -607,12 +607,20 @@ class Tournament(models.Model):
         worksheet.client.batch_update(spreadsheet.id, body)
 
     def parse_tweaks_spreadskeets(self):
+        if not self.pools.exists():
+            # Draw has not been done yet
+            return
+
         gc = gspread.service_account_from_dict(settings.GOOGLE_SERVICE_CLIENT)
         spreadsheet = gc.open_by_key(self.notes_sheet_id)
         worksheet = spreadsheet.worksheet("Classement final")
 
         score_cell = worksheet.find("Score")
         max_row = score_cell.row - 3
+        if max_row == 1:
+            # There is no team
+            return
+
         data = worksheet.get_values(f"A2:E{max_row}")
         for line in data:
             trigram = line[0][-4:-1]