Add --force suggestion

Author: JosueNina

lean/components/cloud/push_manager.py

@@ -20,6 +20,7 @@
 from lean.components.util.organization_manager import OrganizationManager
 from lean.components.util.project_manager import ProjectManager
 from lean.models.api import QCLanguage, QCProject
+from lean.models.errors import RequestFailedError
 from lean.models.utils import LeanLibraryReference
 from lean.models.encryption import ActionType
 
@@ -257,7 +258,11 @@ def _push_metadata(self, project: Path, cloud_project: QCProject, encryption_act
         if not force:
             update_args["code_source_id"] = "cli"
         if update_args != {}:
-            self._api_client.projects.update(cloud_project.projectId, **update_args)
+            try:
+                self._api_client.projects.update(cloud_project.projectId, **update_args)
+            except RequestFailedError as e:
+                self._logger.info("Please pull any required changes and push with --force")
+                raise
 
             if "encryption_key" in update_args:
                 del update_args["encryption_key"]