fix flake8 lint checks

Signed-off-by: Far <[email protected]>

pytests/iroha_cli_tests/src/iroha_cli/iroha_cli.py

@@ -263,11 +263,11 @@ def asset_definition(self, asset: str, domain: str, type_: str):
 
     def _read_and_update_json(self, template_filename, changes=None):
         """
-        Reads a JSON template, applies multiple updates, and writes the modified data to a temporary JSON file.
+        Reads a JSON template, applies multiple updates, and writes the modified data to a JSON file.
 
         :param template_filename: The name of the JSON template file.
         :type template_filename: str
-        :param changes: A dictionary of updates where each key is a path to a JSON key, and each value is the new value to set.
+        :param changes: A dictionary of updates where each key is a path to a JSON key
         :type changes: dict
         :return: The path to the temporary JSON file.
         :rtype: str

pytests/iroha_cli_tests/test/permissions/test_grant_permissions.py

@@ -41,7 +41,8 @@ def test_grant_not_permitted_permission(
         )
 
     with allure.step(
-        f"THEN get an error Operation is not permitted: This operation is only allowed inside the genesis block"
+        "THEN get an error Operation is not permitted:"
+        "This operation is only allowed inside the genesis block"
     ):
         assert iroha_cli.should(have.error(Stderr.NOT_PERMITTED.value))
 

pytests/iroha_cli_tests/test/permissions/test_revoke_permissions.py

@@ -46,7 +46,7 @@ def test_revoke_not_granted_permission(
             destination=GIVEN_registered_account, permission="CanSetParameters"
         )
 
-    with allure.step(f"THEN the system should handle the operation appropriately"):
+    with allure.step("THEN the system should handle the operation appropriately"):
         assert iroha_cli.should(have.transaction_hash())