Fix python migrations

Author: aruizeac

testdata/migration.py

@@ -3,7 +3,7 @@
 import sys
 
 def create_table(tableName):
-    dynamodb = boto3.resource('dynamodb', endpoint_url='http://localhost:8000')
+    dynamodb = boto3.resource('dynamodb', endpoint_url='http://localhost:8000', region_name='us-east-1')
     try:
         dynamodb.create_table(
             TableName=tableName,

testdata/seed_data.py

@@ -6,7 +6,7 @@
 
 
 def import_csv(tableName, fileName):
-    dynamodb = boto3.resource('dynamodb', endpoint_url='http://localhost:8000')
+    dynamodb = boto3.resource('dynamodb', endpoint_url='http://localhost:8000', region_name='us-east-1')
     dynamodb_table = dynamodb.Table(tableName)
     count = 0