diff --git a/swh/loader/git/tasks.py b/swh/loader/git/tasks.py
--- a/swh/loader/git/tasks.py
+++ b/swh/loader/git/tasks.py
@@ -5,6 +5,8 @@
 
 import dateutil.parser
 
+from typing import Any, Dict, Optional
+
 from celery import shared_task
 
 from swh.loader.git.from_disk import GitLoaderFromDisk, GitLoaderFromArchive
@@ -12,14 +14,16 @@
 
 
 @shared_task(name=__name__ + '.UpdateGitRepository')
-def load_git(repo_url, base_url=None):
-    """Import a git repository from a remote location"""
-    loader = GitLoader(repo_url, base_url=base_url)
+def load_git(url: str, base_url: Optional[str] = None) -> Dict[str, Any]:
+    """Import a git repository from a remote location
+
+    """
+    loader = GitLoader(url, base_url=base_url)
     return loader.load()
 
 
 @shared_task(name=__name__ + '.LoadDiskGitRepository')
-def load_git_from_dir(origin_url, directory, date):
+def load_git_from_dir(url: str, directory: str, date: str) -> Dict[str, Any]:
     """Import a git repository from a local repository
 
        Import a git repository, cloned in `directory` from `origin_url` at
@@ -28,19 +32,21 @@
     """
     visit_date = dateutil.parser.parse(date)
     loader = GitLoaderFromDisk(
-        origin_url, directory=directory, visit_date=visit_date)
+        url, directory=directory, visit_date=visit_date)
     return loader.load()
 
 
 @shared_task(name=__name__ + '.UncompressAndLoadDiskGitRepository')
-def load_git_from_zip(origin_url, archive_path, date):
+def load_git_from_zip(
+        url: str, archive_path: str, date: str) -> Dict[str, Any]:
     """Import a git repository from a zip archive
 
     1. Uncompress an archive repository in a local and temporary folder
     2. Load it through the git disk loader
     3. Clean up the temporary folder
+
     """
     visit_date = dateutil.parser.parse(date)
     loader = GitLoaderFromArchive(
-        origin_url, archive_path=archive_path, visit_date=visit_date)
+        url, archive_path=archive_path, visit_date=visit_date)
     return loader.load()
diff --git a/swh/loader/git/tests/test_tasks.py b/swh/loader/git/tests/test_tasks.py
--- a/swh/loader/git/tests/test_tasks.py
+++ b/swh/loader/git/tests/test_tasks.py
@@ -10,7 +10,9 @@
 
     res = swh_app.send_task(
         'swh.loader.git.tasks.UpdateGitRepository',
-        ('origin_url',))
+        kwargs={
+            'url': 'origin_url',
+        })
     assert res
     res.wait()
     assert res.successful()
@@ -26,7 +28,11 @@
 
     res = swh_app.send_task(
         'swh.loader.git.tasks.LoadDiskGitRepository',
-        ('origin_url2', '/some/repo', '2018-12-10 00:00'))
+        kwargs={
+            'url': 'origin_url2',
+            'directory': '/some/repo',
+            'date': '2018-12-10 00:00',
+        })
     assert res
     res.wait()
     assert res.successful()
@@ -43,7 +49,11 @@
 
     res = swh_app.send_task(
         'swh.loader.git.tasks.UncompressAndLoadDiskGitRepository',
-        ('origin_url3', '/some/repo', '2017-01-10 00:00'))
+        kwargs={
+            'url': 'origin_url3',
+            'archive_path': '/some/repo',
+            'date': '2017-01-10 00:00',
+        })
     assert res
     res.wait()
     assert res.successful()