fix(docs): fixed docs build

docs/admin/repo_admin/repo-admin-tasks.rst

@@ -80,8 +80,9 b' 1) Start by running the interactive ishe'
 2a) Add user called 'admin' into all repositories with write permission.
     Permissions can be also `repository.read`, `repository.admin`, `repository.none`
 
+
 .. code-block:: python
-   :dedent: 1
+   :dedent:
 
    In [1]: from rhodecode.model.repo import RepoModel
    In [2]: user = User.get_by_username('admin')
@@ -94,7 +95,7 b" 2b) Add user called 'admin' into all rep"
     Permissions can be also can be `group.read`, `group.admin`, `group.none`
 
 .. code-block:: python
-   :dedent: 1
+   :dedent:
 
    In [1]: from rhodecode.model.repo import RepoModel
    In [2]: user = User.get_by_username('admin')
@@ -108,7 +109,7 b' Delete a problematic pull request'
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 .. code-block:: python
-   :dedent: 1
+   :dedent:
 
    In [1]: from rhodecode.model.pull_request import PullRequestModel
    In [2]: pullrequest_id = 123