diff --git a/chains/bareket.py b/chains/bareket.py
index 3d8d066..c20590d 100644
--- a/chains/bareket.py
+++ b/chains/bareket.py
@@ -1,5 +1,6 @@
 from chains.mahsaneiHashook import MahsaneiHashook
+from supermarket_chain import SupermarketChain
 
 
-class Bareket(MahsaneiHashook):
+class Bareket(MahsaneiHashook, SupermarketChain):
     pass
diff --git a/chains/cerberus_web_client.py b/chains/cerberus_web_client.py
index 47c7670..24cedf3 100644
--- a/chains/cerberus_web_client.py
+++ b/chains/cerberus_web_client.py
@@ -26,6 +26,5 @@ class CerberusWebClient:
         return download_url
 
     @property
-    @abstractmethod
     def username(self):
-        pass
+        return repr(type(self))
diff --git a/chains/co_op.py b/chains/co_op.py
index d03d972..429fc6e 100644
--- a/chains/co_op.py
+++ b/chains/co_op.py
@@ -1,5 +1,6 @@
 from chains.mahsaneiHashook import MahsaneiHashook
+from supermarket_chain import SupermarketChain
 
 
-class CoOp(MahsaneiHashook):
+class CoOp(MahsaneiHashook, SupermarketChain):
     pass
diff --git a/chains/dor_alon.py b/chains/dor_alon.py
index b175509..171fa31 100644
--- a/chains/dor_alon.py
+++ b/chains/dor_alon.py
@@ -4,8 +4,3 @@ from supermarket_chain import SupermarketChain
 
 class DorAlon(CerberusWebClient, SupermarketChain):
     _date_hour_format = '%Y-%m-%d %H:%M:%S'
-    _class_name = 'DorAlon'
-
-    @property
-    def username(self):
-        return self._class_name
diff --git a/chains/freshmarket.py b/chains/freshmarket.py
index dcfbdad..cab96c3 100644
--- a/chains/freshmarket.py
+++ b/chains/freshmarket.py
@@ -4,8 +4,3 @@ from supermarket_chain import SupermarketChain
 
 class Freshmarket(CerberusWebClient, SupermarketChain):
     _date_hour_format = '%Y-%m-%d %H:%M:%S'
-    _class_name = 'Freshmarket'
-
-    @property
-    def username(self):
-        return self._class_name
diff --git a/chains/hazi_hinam.py b/chains/hazi_hinam.py
index bacedff..e4a8731 100644
--- a/chains/hazi_hinam.py
+++ b/chains/hazi_hinam.py
@@ -4,8 +4,3 @@ from supermarket_chain import SupermarketChain
 
 class HaziHinam(CerberusWebClient, SupermarketChain):
     _date_hour_format = '%Y-%m-%d %H:%M:%S'
-    _class_name = 'HaziHinam'
-
-    @property
-    def username(self):
-        return self._class_name
diff --git a/chains/keshet.py b/chains/keshet.py
index 99a382e..bebfd86 100644
--- a/chains/keshet.py
+++ b/chains/keshet.py
@@ -4,8 +4,3 @@ from supermarket_chain import SupermarketChain
 
 class Keshet(CerberusWebClient, SupermarketChain):
     _date_hour_format = '%Y-%m-%d %H:%M:%S'
-    _class_name = 'Keshet'
-
-    @property
-    def username(self):
-        return self._class_name
diff --git a/chains/mahsaneiHashook.py b/chains/mahsaneiHashook.py
index cf1d3c3..b14f9ce 100644
--- a/chains/mahsaneiHashook.py
+++ b/chains/mahsaneiHashook.py
@@ -22,7 +22,7 @@ class MahsaneiHashook(SupermarketChain):
         req_res: requests.Response = requests.get(url)
         soup = BeautifulSoup(req_res.text, features='lxml')
         suffix: str = soup.find('a', href=lambda value: value and category.name.replace('s', '') in value
-                                                        and f'-{store_id:03d}-20' in value).attrs['href']
+                                and f'-{store_id:03d}-20' in value).attrs['href']
         down_url: str = prefix + suffix
         print(down_url)
         return down_url
diff --git a/chains/osher_ad.py b/chains/osher_ad.py
index d4afc4e..b367920 100644
--- a/chains/osher_ad.py
+++ b/chains/osher_ad.py
@@ -3,10 +3,4 @@ from supermarket_chain import SupermarketChain
 
 
 class OsherAd(CerberusWebClient, SupermarketChain):
-
     _date_hour_format = '%Y-%m-%d %H:%M:%S'
-    _class_name = 'OsherAd'
-
-    @property
-    def username(self):
-        return self._class_name
diff --git a/chains/rami_levi.py b/chains/rami_levi.py
index 2c078c2..94224b5 100644
--- a/chains/rami_levi.py
+++ b/chains/rami_levi.py
@@ -4,8 +4,3 @@ from supermarket_chain import SupermarketChain
 
 class RamiLevi(CerberusWebClient, SupermarketChain):
     _date_hour_format = '%Y-%m-%d %H:%M:%S'
-    _class_name = 'RamiLevi'
-
-    @property
-    def username(self):
-        return self._class_name
diff --git a/chains/shufersal.py b/chains/shufersal.py
index 0752a41..0f6e8a8 100644
--- a/chains/shufersal.py
+++ b/chains/shufersal.py
@@ -4,7 +4,7 @@ from bs4 import BeautifulSoup
 from supermarket_chain import SupermarketChain
 
 
-class ShuferSal(SupermarketChain):
+class Shufersal(SupermarketChain):
 
     @staticmethod
     def get_download_url(store_id: int, category: SupermarketChain.XMLFilesCategory, session: requests.Session) -> str:
diff --git a/chains/stop_market.py b/chains/stop_market.py
index f9fcd52..5374c7b 100644
--- a/chains/stop_market.py
+++ b/chains/stop_market.py
@@ -4,8 +4,7 @@ from supermarket_chain import SupermarketChain
 
 class StopMarket(CerberusWebClient, SupermarketChain):
     _date_hour_format = '%Y-%m-%d %H:%M:%S'
-    _class_name = 'Stop_Market'
 
     @property
     def username(self):
-        return self._class_name
+        return 'Stop_Market'
diff --git a/chains/tiv_taam.py b/chains/tiv_taam.py
index ed94e23..faf71b2 100644
--- a/chains/tiv_taam.py
+++ b/chains/tiv_taam.py
@@ -4,7 +4,3 @@ from supermarket_chain import SupermarketChain
 
 class TivTaam(CerberusWebClient, SupermarketChain):
     _class_name = 'TivTaam'
-
-    @property
-    def username(self):
-        return self._class_name
diff --git a/chains/victory.py b/chains/victory.py
index 7181876..77de5a7 100644
--- a/chains/victory.py
+++ b/chains/victory.py
@@ -1,5 +1,6 @@
 from chains.mahsaneiHashook import MahsaneiHashook
+from supermarket_chain import SupermarketChain
 
 
-class Victory(MahsaneiHashook):
+class Victory(MahsaneiHashook, SupermarketChain):
     pass
diff --git a/chains/yohananof.py b/chains/yohananof.py
index c2eac74..6810c52 100644
--- a/chains/yohananof.py
+++ b/chains/yohananof.py
@@ -4,8 +4,3 @@ from supermarket_chain import SupermarketChain
 
 class Yohananof(CerberusWebClient, SupermarketChain):
     _date_hour_format = '%Y-%m-%d %H:%M:%S'
-    _class_name = 'Yohananof'
-
-    @property
-    def username(self):
-        return self._class_name
diff --git a/main.py b/main.py
index 5640b35..5b450f2 100644
--- a/main.py
+++ b/main.py
@@ -29,7 +29,7 @@ from chains import (
 Path(RESULTS_DIRNAME).mkdir(exist_ok=True)
 Path(RAW_FILES_DIRNAME).mkdir(exist_ok=True)
 
-chain_dict = {repr(chain): chain() for chain in SupermarketChain.__subclasses__()}
+chain_dict = {repr(chain): chain() if callable(chain) else None for chain in SupermarketChain.__subclasses__()}
 
 if __name__ == '__main__':
     parser = ArgumentParser()
diff --git a/supermarket_chain.py b/supermarket_chain.py
index d4d29d8..3390935 100644
--- a/supermarket_chain.py
+++ b/supermarket_chain.py
@@ -126,8 +126,3 @@ class SupermarketChain(object, metaclass=Meta):
             manufacturer=item.find(re.compile(r'Manufacture[r]?Name')).text,
             code=item.find('ItemCode').text
         )
-
-    @classmethod
-    @abstractmethod
-    def __repr__(cls):
-        pass