--- a/snp-cache.py	Wed Feb 14 13:10:23 2018 -0500
+++ b/snp-cache.py	Thu Mar 01 15:37:04 2018 -0500
@@ -95,17 +95,17 @@
 def main(table, id, command=None, output=None, *a, **k):
 	id = id.strip()
 	table = table.strip()
-	name = f"{table}/{id}"
+	name = "{table}/{id}".format(**locals())
 	with open(output, 'wb') as output_f:
 		#lookup ID in table and get a FH to the resource
 		try:
 			api_key = os.environ.get('AWS_API_KEY', '')
 			s3 = boto3.resource('s3').Bucket(CACHE_NAMESPACE)
 			s3.download_fileobj(name, output_f)
-			logging.getLogger('snp-cache.cache').info(f"cache hit on {name}, retrieved.")
+			logging.getLogger('snp-cache.cache').info("cache hit on {name}, retrieved.".format(**locals()))
 		except (DataNotFoundError, NoCredentialsError, BotoCoreError, ClientError) as e:
 			if type(e) is DataNotFoundError:
-				logging.getLogger('snp-cache.cache').info(f"cache miss on {name}")
+				logging.getLogger('snp-cache.cache').info("cache miss on {name}".format(**locals()))
 			else:
 				logging.getLogger('snp-cache.cache').error(e)
 			#if we couldn't find the data, we need to run the command to generate it