fix up string manipulation

app/helpers/common_helper.py

@@ -1,3 +1,4 @@
+import re
 
 def boolean_to_int(value: bool) -> int:
     if value:

app/services/base.py

@@ -1,4 +1,4 @@
-import logging, json, re
+import logging, json
 
 from helpers import aws_helper, tar_helper, common_helper
 
@@ -21,6 +21,6 @@ class Base:
         # get attributes file and convert to dict
         attributes = json.loads(
             tar_helper.extract_file_from_tar(
-                self.tar, f'{camel_to_snake(self.ACTION)}_attributes.json').read())
+                self.tar, f'{common_helper.camel_to_snake(self.ACTION)}_attributes.json').read())
 
         return attributes