Follow OCA guidelines for module structure

https://github.com/OCA/maintainer-tools/blob/master/CONTRIBUTING.md

crm_claim_rma/__init__.py

@@ -22,7 +22,5 @@
 #
 ##############################################################################
 
-from . import wizard
-from . import crm_claim_rma
-from . import account_invoice
-from . import stock
+from . import models
+from . import wizards

crm_claim_rma/__openerp__.py

@@ -76,25 +76,28 @@ Contributors:
     'website': 'http://www.akretion.com, http://www.camptocamp.com, '
                'http://www.eezee-it.com',
     'license': 'AGPL-3',
-    'depends': ['sale',
-                'stock',
-                'crm_claim',
-                'crm_claim_code',
-                'product_warranty',
-                ],
-    'data': ['wizard/claim_make_picking_view.xml',
-             'crm_claim_rma_view.xml',
-             'security/ir.model.access.csv',
-             'account_invoice_view.xml',
-             'res_partner_view.xml',
-             'crm_claim_rma_data.xml',
-             ],
+    'depends': [
+        'sale',
+        'stock',
+        'crm_claim',
+        'crm_claim_code',
+        'product_warranty',
+    ],
+    'data': [
+        'wizards/claim_make_picking.xml',
+        'views/crm_claim_rma.xml',
+        'views/account_invoice.xml',
+        'views/res_partner.xml',
+        'data/crm_claim_rma.xml',
+        'security/ir.model.access.csv',
+    ],
     'test': ['test/test_invoice_refund.yml'],
-    'images': ['images/product_return.png',
-               'images/claim.png',
-               'images/return_line.png',
-               'images/exchange.png',
-               ],
+    'images': [
+        'images/product_return.png',
+        'images/claim.png',
+        'images/return_line.png',
+        'images/exchange.png',
+    ],
     'installable': True,
     'auto_install': False,
 }

crm_claim_rma/models/__init__.py

@@ -0,0 +1,3 @@
+from . import crm_claim_rma
+from . import account_invoice
+from . import stock