Fix boto3 S3 upload issue

app/routers/embed.py

@@ -63,7 +63,8 @@ def load_latest_statuses(url, token, limit):
         raise Exception('Failed to contact Mastodon', response.text)
     return json.loads(response.text)
 
-def convertToHTML(statuses):
+
+def convertToHTML(statuses) -> str:
     css_file = Path(__file__).parent / '../resources/embed.css'
     with css_file.open('r') as css:
         doc, tag, text = Doc().tagtext()
@@ -96,7 +97,8 @@ def convertToHTML(statuses):
 
         return indent(doc.getvalue())
 
-def uploadToAmazonS3(bucket, key, content): 
+def uploadToAmazonS3(bucket, key, content:str):
+    logger.info(f'Uploading embed html to {bucket}/{key}')
     s3 = boto3.resource('s3')
-    object = s3.Object(bucket, key) # type: ignore
-    object.put(Body=content, ACL='public-read', ContentType='text/html')
+    s3_object = s3.Object(bucket, key)
+    s3_object.put(Body=content.encode("utf-8"), ACL='public-read', ContentType='text/html')