Update app aws

app.py

@@ -54,13 +54,15 @@ def upload_file(file_name, bucket=None, object_name=None):
     :param object_name: S3 object name. If not specified then file_name is used
     :return: Json if file was uploaded, else False
     """
-
+    aws_access_key_id=os.getenv(aws_access_key_id, default=None)
+    aws_secret_access_key=os.getenv(aws_secret_access_key, default=None)
+    region= os.getenv(region, default=None)
     # If S3 object_name was not specified, use file_name
     if object_name is None:
         object_name = os.path.basename(file_name+".jpg")
     if bucket is None:
         bucket = 'oceanapp'
-    s3_client = boto3.client('s3', os.environ['aws_access_key_id'],os.environ['aws_secret_access_key'],os.environ['region'])
+    s3_client = boto3.client('s3', aws_access_key_id,aws_secret_access_key,region)
     aws_region = boto3.session.Session().region_name
     # Upload the file
     try: