Add type annotation to get_project

Now usage information for methods will actually show.

project = client.get_project(PROJECT_ID)
export_url = project.export_labels()

Author: Cyniikal

labelbox/client.py

@@ -404,7 +404,7 @@ def _get_single(self, db_object_type, uid):
         else:
             return db_object_type(self, res)
 
-    def get_project(self, project_id):
+    def get_project(self, project_id) -> Project:
         """ Gets a single Project with the given ID.
 
             >>> project = client.get_project("<project_id>")
@@ -918,4 +918,4 @@ def get_model_run(self, model_run_id: str) -> ModelRun:
         Returns:
             A ModelRun object.
         """
-        return self._get_single(Entity.ModelRun, model_run_id)
+        return self._get_single(Entity.ModelRun, model_run_id)