Semantic int_values fix

opendm/photo.py

@@ -631,7 +631,7 @@ class ODM_Photo:
         if isinstance(tag.values, list):
             return [int(v) for v in tag.values]
         elif isinstance(tag.values, str) and tag.values == '':
-            return [0]
+            return []
         else:
             return [int(tag.values)]