Updated as per Blitzmanns feedback

https://github.com/pyfa-org/Pyfa/pull/639#issuecomment-225749245

service/damagePattern.py

@@ -36,9 +36,8 @@ class DamagePattern():
 
     def __init__(self):
         uniform = eos.db.getDamagePattern("Uniform")
-        importDBDefaults = loadDefaultDatabaseValues.defaultDatabaseValues()
         if uniform is None:
-            importDBDefaults.importRequiredDefaults()
+            loadDefaultDatabaseValues.defaultDatabaseValues.importRequiredDefaults()
 
     def getDamagePatternList(self):
         return eos.db.getDamagePatternList()

service/prefetch.py

@@ -52,17 +52,19 @@ if os.path.isfile(config.saveDB):
     # If database exists, run migration after init'd database
     eos.db.saveddata_meta.create_all()
     migration.update(eos.db.saveddata_engine)
+    # Import default database values
+    # Import values that must exist otherwise Pyfa breaks
+    loadDefaultDatabaseValues.defaultDatabaseValues.importRequiredDefaults()
 else:
     # If database does not exist, do not worry about migration. Simply
     # create and set version
     eos.db.saveddata_meta.create_all()
     eos.db.saveddata_engine.execute('PRAGMA user_version = {}'.format(migration.getAppVersion()))
     #Import default database values
-    importDBDefaults = loadDefaultDatabaseValues.defaultDatabaseValues()
     #Import values that must exist otherwise Pyfa breaks
-    importDBDefaults.importRequiredDefaults()
+    loadDefaultDatabaseValues.defaultDatabaseValues.importRequiredDefaults()
     #Import default values for damage profiles
-    importDBDefaults.importDamageProfileDefaults()
+    loadDefaultDatabaseValues.defaultDatabaseValues.importDamageProfileDefaults()
     #Import default values for target resist profiles
-    importDBDefaults.importResistProfileDefaults()
+    loadDefaultDatabaseValues.defaultDatabaseValues.importResistProfileDefaults()