Run end-of-file-fixer to fix tests

Author: Paulinakhew

shopify/resources/price_rule.py

@@ -20,6 +20,3 @@ def create_batch(self, codes = []):
     def find_batch(self, batch_id):
         return DiscountCodeCreation.find_one("%s/price_rules/%s/batch/%s.%s" % (
             ShopifyResource.site, self.id, batch_id, PriceRule.format.extension))
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