Pin boto3 to 1.37.38 for Python 3.8 compatibility

Author: JiwonJeong414

requirements.txt

@@ -68,7 +68,7 @@ regex==2020.1.8
 requests==2.22.0
 requests-oauthlib==1.3.0
 rsa==4.0
-boto3==1.42.97
+boto3==1.37.38
 six==1.13.0
 soupsieve==1.9.5
 SQLAlchemy==1.3.11