[FIX] helpdesk_mgmt_timesheet: Ticket submit broken

If `helpdesk_mgmt_project` is installed without `helpdesk_mgmt_timesheet`, an `AttributeError` is raised when submitting a new ticket
OCA · chandni-serpentcs · May 18, 2020 · May 30, 2020 · Jul 8, 2020 · Jul 8, 2020
commit 1839ff11cafc3d350d78ebd3af85a3e5553f0102
diff --git a/helpdesk_mgmt_project/__init__.py b/helpdesk_mgmt_project/__init__.py
@@ -1,2 +1 @@
 from . import models
-from . import controllers
diff --git a/helpdesk_mgmt_project/controllers/__init__.py b/helpdesk_mgmt_project/controllers/__init__.py
diff --git a/helpdesk_mgmt_project/controllers/main.py b/helpdesk_mgmt_project/controllers/main.py