[IMP] base: performance improvement when installing a module

closes odoo/odoo#67959

X-original-commit: c0afa00d7cdbe98e4c67d2987a2b808bedd474ac
Signed-off-by: Raphael Collet (rco) <rco@openerp.com>

odoo/addons/base/models/ir_module.py

@@ -393,9 +393,9 @@ class Module(models.Model):
             module_demo = module.demo or update_demo or any(mod.demo for mod in ready_mods)
             demo = demo or module_demo
 
-            # check dependencies and update module itself
-            self.check_external_dependencies(module.name, newstate)
             if module.state in states_to_update:
+                # check dependencies and update module itself
+                self.check_external_dependencies(module.name, newstate)
                 module.write({'state': newstate, 'demo': module_demo})
 
         return demo