diff --git a/contracts/admin.py b/contracts/admin.py
index ad19a97f11fcadc8bd9086822461b9ab615d1481..a03ffbfad087e54c97d8d7aa4177329d4c52f29a 100644
--- a/contracts/admin.py
+++ b/contracts/admin.py
@@ -363,7 +363,7 @@ class ContractAdmin(
                         }
                     ),
                     headers=headers,
-                    timeout=external_requests_timeout,
+                    timeout=self.external_requests_timeout,
                 )
 
                 notice.raise_for_status()
@@ -376,7 +376,7 @@ class ContractAdmin(
                     requests.post(
                         f"{settings.NASTENKA_API_URL}/{obj.after_approval_nastenka_notice_id}/all-hidden",
                         headers=headers,
-                        timeout=external_requests_timeout,
+                        timeout=self.external_requests_timeout,
                     ).raise_for_status()
 
                     obj.after_approval_nastenka_notice_id = None
@@ -386,7 +386,7 @@ class ContractAdmin(
                     requests.post(
                         f"{settings.NASTENKA_API_URL}/{obj.to_be_approved_nastenka_notice_id}/all-hidden",
                         headers=headers,
-                        timeout=external_requests_timeout,
+                        timeout=self.external_requests_timeout,
                     ).raise_for_status()
 
                     obj.to_be_approved_nastenka_notice_id = None
@@ -422,7 +422,7 @@ class ContractAdmin(
                             }
                         ),
                         headers=headers,
-                        timeout=external_requests_timeout,
+                        timeout=self.external_requests_timeout,
                     )
 
                     notice.raise_for_status()
@@ -435,7 +435,7 @@ class ContractAdmin(
                         requests.post(
                             f"{settings.NASTENKA_API_URL}/{obj.work_in_progress_nastenka_notice_id}/all-hidden",
                             headers=headers,
-                            timeout=external_requests_timeout,
+                            timeout=self.external_requests_timeout,
                         ).raise_for_status()
 
                         obj.work_in_progress_nastenka_notice_id = None
@@ -464,7 +464,7 @@ class ContractAdmin(
                             }
                         ),
                         headers=headers,
-                        timeout=external_requests_timeout,
+                        timeout=self.external_requests_timeout,
                     )
 
                     notice.raise_for_status()
@@ -477,7 +477,7 @@ class ContractAdmin(
                         requests.post(
                             f"{settings.NASTENKA_API_URL}/{obj.to_be_approved_nastenka_notice_id}/all-hidden",
                             headers=headers,
-                            timeout=external_requests_timeout,
+                            timeout=self.external_requests_timeout,
                         ).raise_for_status()
 
                         obj.to_be_approved_nastenka_notice_id = None
@@ -506,7 +506,7 @@ class ContractAdmin(
                             }
                         ),
                         headers=headers,
-                        timeout=external_requests_timeout,
+                        timeout=self.external_requests_timeout,
                     )
 
                     notice.raise_for_status()
@@ -519,7 +519,7 @@ class ContractAdmin(
                         requests.post(
                             f"{settings.NASTENKA_API_URL}/{obj.to_be_approved_nastenka_notice_id}/all-hidden",
                             headers=headers,
-                            timeout=external_requests_timeout,
+                            timeout=self.external_requests_timeout,
                         ).raise_for_status()
 
                         obj.to_be_approved_nastenka_notice_id = None