[10][FIX] Protect crash at runtime if oca-decorator not installed (#254)

Fail silently if @foreach not loaded

pos_pricelist/__init__.py

@@ -2,4 +2,9 @@
 # License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl).
 
 from .hooks import post_init_hook
+try:
     from . import models
+except ImportError:  # pragma: no-cover
+    import logging
+    _logger = logging.getLogger(__name__)
+    _logger.warn("Missing dependency", exc_info=True)

pos_pricelist/models/pos_config.py

@@ -4,15 +4,11 @@
 
 from odoo import _, api, fields, models
 from odoo.exceptions import ValidationError
+from oca.decorators import foreach  # pylint: disable=W7935
 import logging
 
 _logger = logging.getLogger(__name__)
 
-try:
-    from oca.decorators import foreach
-except ImportError:  # pragma: no-cover
-    _logger.warn("Missing dependency", exc_info=True)
-
 
 class PosConfig(models.Model):
     _inherit = 'pos.config'