Refactor "ready" state into a function

InvenTree/company/apps.py

@@ -3,11 +3,14 @@ from __future__ import unicode_literals
 import os
 import logging
 
+from PIL import UnidentifiedImageError
+
 from django.apps import AppConfig
 from django.db.utils import OperationalError, ProgrammingError
 from django.conf import settings
 
-from PIL import UnidentifiedImageError
+from InvenTree.ready import canAppAccessDatabase
+
 
 logger = logging.getLogger("inventree")
 
@@ -20,7 +23,8 @@ class CompanyConfig(AppConfig):
         This function is called whenever the Company app is loaded.
         """
 
-        self.generate_company_thumbs()
+        if canAppAccessDatabase():
+            self.generate_company_thumbs()
 
     def generate_company_thumbs(self):