dates fix

server/backend/handlers/ozon_wb_yandex_com_handler.py

@@ -4,9 +4,10 @@ from server.backend.api.nomenclature import processing
 import re
 import datetime
 def last_day_of_month(format: str):
-    next_month = datetime.datetime.now().replace(day=28) + datetime.timedelta(days=4)
-    last_day = next_month - datetime.timedelta(days=next_month.day)
-    return last_day.strftime(format)
+    today = datetime.datetime.now()
+    first_day_current_month = today.replace(day=1)
+    last_day_prev_month = (first_day_current_month - datetime.timedelta(days=1)).replace(day=1)
+    return last_day_prev_month.strftime(format)
 def process_sheet(df, real_arti:str, real_quantity:str, real_sum_1:str):
     df= df.iloc[2:].reset_index(drop=True)
     #Выборка